| Diagnosis and Testing Refer to Wiring Diagrams Section 417-01, for schematic and connector information. Special Tool(s) | | Terminal Probe Kit 29-011A | Inspection and Checking - Verify the customer concern.
- Visually inspect for obvious signs of electrical damage.
Visual Inspection Chart | Electrical system | - Fuse(s)
- Lamp(s)
- Connector(s)
- Switches
- Wiring harness
| - Resolve any obvious causes or concerns found during the visual inspection before carrying out any further tests.
- If the concern is not visually evident, refer to the Symptom Chart.
Symptom Chart Symptom Chart | Symptom | Possible Sources | Action | | Dipped beam and main beam are inoperative | * Fuse * Circuit(s) * Headlamp switch * Turn signal switch * Central junction box (CJB) | * | | The dipped beam is inoperative | * Circuit(s) * Dipped beam relay * Turn signal switch * Central junction box (CJB) | * | | The main beam is inoperative | * Circuit(s) * Main beam relay * Turn signal switch * Central junction box (CJB) | * | | One dipped beam is inoperative | * Fuse * Circuit(s) * Left/right-hand headlamp * Central junction box (CJB) | * | | One main beam is inoperative | * Fuse * Circuit(s) * Left/right-hand headlamp * Central junction box (CJB) | * | | The headlamps illuminate continuously | * Circuit(s) * Dipped beam relay * Main beam relay * Turn signal switch * Headlamp switch * Instrument cluster * Central junction box (CJB) | * | | The headlamp flasher is inoperative | * Circuit(s) * Turn signal switch | * | | The main beam warning lamp is inoperative | * Circuit(s) * Instrument cluster | * REFER to: Instrument Cluster - Vehicles Built Up To: 10/2005 (413-01 Instrument Cluster, Diagnosis and Testing). | System Checks NOTE:Use a digital multimeter for all electrical measurements. | PINPOINT TEST A : DIPPED BEAM AND MAIN BEAM INOPERATIVE | | TEST CONDITIONS | DETAILS/RESULTS/ACTIONS | | A1: CHECK FUSE F40 (CJB) | | | 1 Ignition switch in position 0. | | | 2 CHECK fuse F40 (10 A) (CJB). | | | Is the fuse OK? Yes No INSTALL A NEW fuse F40 (10 A) and check the operation of the system. If the fuse blows again, LOCATE and RECTIFY the short to ground using the Wiring Diagrams. CHECK the operation of the system. | | A2: CHECK THE VOLTAGE AT FUSE F40 (CJB) | | | 1 Connect fuse F40 (10 A) (CJB). | | | 2 Ignition switch in position II. | | | 3 Measure the voltage between fuse F40 (10 A) and ground. | | | Does the meter display battery voltage? Yes No LOCATE and RECTIFY the break in the voltage supply to fuse F40 (CJB) using the Wiring Diagrams, if necessary CHECK and INSTALL A NEW CJB. CHECK the operation of the system. | | A3: CHECK THE VOLTAGE AT THE DIPPED BEAM RELAY | | | 1 Ignition switch in position 0. | | | 2 Disconnect dipped beam relay from socket C417. | | | 3 Ignition switch in position II. | | | 4 SWITCH ON dipped beam | | | 5 Measure the voltage between the dipped beam relay, socket C417, pin 1, circuit 15S-LE19 (GN/BU), CJB side and ground. | | | Does the meter display battery voltage? Yes No | | A4: CHECK THE GROUND CONNECTION OF THE DIPPED BEAM RELAY AND THE MAIN BEAM RELAY | | | 1 Ignition switch in position 0. | | | 2 Measure the resistance between the dipped beam relay, socket C417, pin 2, circuit 31-LE19 (BK), CJB side and ground. | | | Is less than 2 ohms measured? Yes LOCATE and RECTIFY the break in the circuit 30-DB1 (RD), between fuse FE (BJB) and the CJB using the Wiring Diagrams, CHECK and INSTALL A NEW CJB if necessary. CHECK the operation of the system. No LOCATE and RECTIFY break in circuit 31-DA12 (BK), between soldered connection S15 and ground G13 using the Wiring Diagrams. CHECK the operation of the system. | | A5: CHECK THE VOLTAGE AT THE HEADLAMP SWITCH | | | 1 Ignition switch in position 0. | | | 2 Disconnect headlamp switch from connector C338. | | | 3 Measure the voltage between the headlamp switch, connector C338, pin 8, circuit 15-LE29 (GN/BK), wiring harness side and ground. | | | Does the meter display battery voltage? Yes No LOCATE and RECTIFY the break in the circuit between fuse F40 (CJB) and the headlamp switch using the Wiring Diagrams. CHECK the operation of the system. | | A6: CHECK THE HEADLAMP SWITCH | | | 1 Ignition switch in position 0. | | | 2 Connect dipped beam relay to socket C417. | | | 3 Using a fused test cable (10 A) at the headlamp switch, bridge between connector C338, pin 8, circuit 15-LE29 (GN/BK) and pin 6, circuit 15S-LE14 (GN/RD), wiring harness side. | | | 4 Ignition switch in position II. | | | 5 Check the operation of the dipped beam. | | | Does the dipped beam illuminate? Yes INSTALL A NEW headlamp switch. CHECK the operation of the system. No | | A7: CHECK THE VOLTAGE AT THE TURN SIGNAL SWITCH | | | 1 Ignition switch in position 0. | | | 2 Connect headlamp switch to connector C338. | | | 3 Disconnect turn signal switch from connector C357. | | | 4 Ignition switch in position II. | | | 5 SWITCH ON dipped beam | | | 6 Measure the voltage between turn signal switch, connector C357, pin 8, circuit 15S-LE14 (GN/RD), wiring harness side and ground. | | | Does the meter display battery voltage? Yes INSTALL A NEW turn signal switch. CHECK the operation of the system. No LOCATE and RECTIFY the break in the circuit between the headlamp switch and the turn signal switch using the Wiring Diagrams. CHECK the operation of the system. | | PINPOINT TEST B : THE DIPPED BEAM IS INOPERATIVE | | TEST CONDITIONS | DETAILS/RESULTS/ACTIONS | | B1: TEST THE VOLTAGE AT THE DIPPED BEAM RELAY (POWER CIRCUIT) | | | 1 Ignition switch in position 0. | | | 2 Disconnect dipped beam relay from socket C417. | | | 3 Ignition switch in position II. | | | 4 Measure the voltage between the dipped beam relay, socket C417, pin 3, circuit 30-LE20 (RD), CJB side and ground. | | | Does the meter display battery voltage? Yes No LOCATE and RECTIFY the break in the circuit between the CJB and the dipped beam relay using the Wiring Diagrams, INSTALL A NEW CJB if necessary. CHECK the operation of the system. | | B2: CHECK THE VOLTAGE AT THE DIPPED BEAM RELAY (CONTROL CIRCUIT) | | | 1 SWITCH ON dipped beam. | | | 2 Measure the voltage between the dipped beam relay, socket C417, pin 1, circuit 15S-LE19 (GN/BU), CJB side and ground. | | | Does the meter display battery voltage? Yes No | | B3: CHECK THE POWER CIRCUIT OF THE DIPPED BEAM RELAY FOR OPEN CIRCUIT | | | 1 Ignition switch in position 0. | | | 2 Connect a fused jumper wire (20 A) at the dipped beam relay, socket C417, between pin 3 circuit 30-LE20 (RD) and pin 5, circuit 15S-DB7 (GN/YE), CJB side. | | | 3 Ignition switch in position II. | | | 4 Check the dipped beam. | | | Does the dipped beam illuminate? Yes No LOCATE and RECTIFY the break in the circuit between the dipped beam relay and the bridge (CJB) using the Wiring Diagrams, INSTALL A NEW CJB if necessary. CHECK the operation of the system. | | B4: CHECK THE GROUND CONNECTION OF THE DIPPED BEAM RELAY | | | 1 Ignition switch in position 0. | | | 2 Measure the resistance between the dipped beam relay, socket C417, pin 2, circuit 31-LE19 (BK), CJB side and ground. | | | Is less than 2 ohms measured? Yes INSTALL A NEW dipped beam relay. CHECK the operation of the system. No LOCATE and RECTIFY the break in the circuit between the dipped beam relay and soldered connection S15 using the Wiring Diagrams. CHECK the operation of the system. | | B5: CHECK TURN SIGNAL SWITCH | | | 1 Ignition switch in position 0. | | | 2 Disconnect turn signal switch from connector C357. | | | 3 Connect dipped beam relay to socket C417. | | | 4 Connect a fused jumper wire (10 A) at the turn signal switch, connector C357, between pin 8, circuit 15S-LE14 (GN/RD) and pin 9, circuit 15S-LE19 (GN/BU), wiring harness side. | | | 5 Ignition switch in position II. | | | 6 SWITCH ON dipped beam. | | | 7 Check the dipped beam. | | | Does the dipped beam illuminate? Yes INSTALL A NEW turn signal switch. CHECK the operation of the system. No LOCATE and RECTIFY the break in the circuit between the turn signal switch and the dipped beam relay using the Wiring Diagrams. CHECK the operation of the system. | | PINPOINT TEST C : THE MAIN BEAM IS INOPERATIVE | | TEST CONDITIONS | DETAILS/RESULTS/ACTIONS | | C1: CHECK THE MAIN BEAM WARNING LAMP | | | 1 Ignition switch in position II. | | | 2 SWITCH ON main beam. | | | 3 Check the main beam warning lamp. | | | Does the main beam warning lamp illuminate? Yes No | | C2: CHECK TURN SIGNAL SWITCH | | | 1 Ignition switch in position 0. | | | 2 Disconnect turn signal switch from connector C357. | | | 3 Connect a fused jumper wire (10 A) at the turn signal switch, connector C357, between pin 6, circuit 15-LE14 (GN/RD) and pin 7, circuit 15S-LE12A (GN/YE), wiring harness side. | | | 4 Ignition switch in position II. | | | 5 Check main beam. | | | Does the main beam illuminate? Yes INSTALL A NEW turn signal switch. CHECK the operation of the system. No LOCATE and RECTIFY the break in the circuit between the turn signal switch and soldered connection S274 using the Wiring Diagrams. CHECK the operation of the system. | | C3: CHECK THE VOLTAGE AT THE MAIN BEAM RELAY (CONTROL CIRCUIT) | | | 1 Ignition switch in position 0. | | | 2 Disconnect main beam relay from socket C411. | | | 3 Ignition switch in position II. | | | 4 SWITCH ON main beam. | | | 5 Measure the voltage between the main beam relay, socket C411, pin 1, circuit 15S-LE12 (GN/YE), CJB side and ground. | | | Does the meter display battery voltage? Yes No LOCATE and RECTIFY the break in the circuit between soldered connection S274 and the main beam relay using the Wiring Diagrams, INSTALL A NEW CJB if necessary. CHECK the operation of the system. | | C4: TEST THE VOLTAGE AT THE MAIN BEAM RELAY (POWER CIRCUIT) | | | 1 Measure the voltage between the main beam relay, socket C411, pin 3, circuit 30-LE13 (RD), CJB side and ground. | | | Does the meter display battery voltage? Yes No LOCATE and RECTIFY the break in the circuit between the CJB (bridge) and the main beam relay using the Wiring Diagrams, INSTALL A NEW CJB if necessary. CHECK the operation of the system. | | C5: CHECK THE GROUND CONNECTION OF THE MAIN BEAM RELAY | | | 1 Ignition switch in position 0. | | | 2 Measure the resistance between the main beam relay, socket C411, pin 2, circuit 31-LE12 (BK), CJB side and ground. | | | Is less than 2 ohms measured? Yes No LOCATE and RECTIFY the break in the circuit between the main beam relay and soldered connection S15 using the Wiring Diagrams. CHECK the operation of the system. | | C6: CHECK THE POWER CIRCUIT OF THE MAIN BEAM RELAY FOR OPEN CIRCUIT | | | 1 Ignition switch in position 0. | | | 2 Connect a fused jumper wire (20 A) at the main beam relay, socket C411, between pin 3 circuit 30-LE13 (RD) and pin 5, circuit 15S-DB6 (GN/WH), CJB side. | | | 3 Ignition switch in position II. | | | 4 Check main beam. | | | Does the main beam illuminate? Yes INSTALL A NEW main beam relay. CHECK the operation of the system. No LOCATE and RECTIFY the break in the circuit between the main beam relay and the CJB (bridge) using the Wiring Diagrams, INSTALL A NEW CJB if necessary. CHECK the operation of the system. | | PINPOINT TEST D : ONE DIPPED BEAM IS INOPERATIVE | | TEST CONDITIONS | DETAILS/RESULTS/ACTIONS | | D1: DETERMINE THE FAULT CONDITION | | | 1 Ignition switch in position II. | | | 2 SWITCH ON dipped beam | | | 3 Determine the fault condition. | | | Is the left-hand dipped beam inoperative? Yes No The right-hand dipped beam is inoperative: GO to D6. | | D2: CHECK FUSE F9 (CJB) | | | 1 Ignition switch in position 0. | | | 2 CHECK fuse F9 (10 A) (CJB). | | | Is the fuse OK? Yes No INSTALL A NEW fuse F9 (10 A). If the fuse blows again, LOCATE and RECTIFY the short to ground using the Wiring Diagrams. CHECK the operation of the system. | | D3: CHECK THE VOLTAGE AT FUSE F9 (CJB) | | | 1 Connect fuse F9 (10 A) (CJB). | | | 2 Ignition switch in position II. | | | 3 SWITCH ON dipped beam | | | 4 Measure the voltage between fuse F9 (10 A) and ground. | | | Does the meter display battery voltage? Yes No LOCATE and RECTIFY the break in the voltage supply to fuse F9 (CJB) using the Wiring Diagrams, if necessary CHECK and INSTALL A NEW CJB. CHECK the operation of the system. | | D4: CHECK VOLTAGE AT THE LEFT-HAND HEADLAMP | | | 1 Ignition switch in position 0. | | | 2 Disconnect left-hand headlamp from connector C416. | | | 3 Ignition switch in position II. | | | 4 SWITCH ON dipped beam. | | | 5 Measure the voltage between left-hand headlamp, connector C416, pin 2, circuit 15S-LE16 (GN/OG), wiring harness side and ground. | | | Does the meter display battery voltage? Yes No LOCATE and RECTIFY the break in the circuit between fuse F9 (CJB) and the headlamp using the Wiring Diagrams. CHECK the operation of the system. | | D5: CHECK GROUND CONNECTION OF THE LEFT-HAND HEADLAMP | | | 1 Ignition switch in position 0. | | | 2 Measure the resistance between left-hand headlamp, connector C416, pin 6, circuit 31-LE31 (BK), wiring harness side and ground. | | | Is less than 2 ohms measured? Yes CHECK and if necessary INSTALL A NEW left-hand headlamp. CHECK the operation of the system. No LOCATE and RECTIFY the break in the circuit between the headlamp and soldered connection S10 using the Wiring Diagrams. CHECK the operation of the system. | | D6: CHECK FUSE F10 (CJB) | | | 1 Ignition switch in position 0. | | | 2 CHECK fuse F10 (10 A) (CJB). | | | Is the fuse OK? Yes No INSTALL A NEW fuse F10 (10 A). If the fuse blows again, LOCATE and RECTIFY the short to ground using the Wiring Diagrams. CHECK the operation of the system. | | D7: CHECK THE VOLTAGE AT FUSE F10 (CJB) | | | 1 Connect fuse F10 (10 A) (CJB). | | | 2 Ignition switch in position II. | | | 3 SWITCH ON dipped beam | | | 4 Measure the voltage between fuse F10 (10 A) and ground. | | | Does the meter display battery voltage? Yes No LOCATE and RECTIFY the break in the voltage supply to the fuse using the Wiring Diagrams, if necessary CHECK and INSTALL A NEW CJB. CHECK the operation of the system. | | D8: CHECK VOLTAGE AT THE RIGHT-HAND HEADLAMP | | | 1 Ignition switch in position 0. | | | 2 Disconnect right-hand headlamp from connector C422. | | | 3 Ignition switch in position II. | | | 4 SWITCH ON dipped beam. | | | 5 Measure the voltage between right-hand headlamp, connector C422, pin 2, circuit 15S-LE23 (GN/WH), wiring harness side and ground. | | | Does the meter display battery voltage? Yes No LOCATE and RECTIFY the break in the circuit between fuse F10 (CJB) and the headlamp using the Wiring Diagrams. CHECK the operation of the system. | | D9: CHECK GROUND CONNECTION OF THE RIGHT-HAND HEADLAMP | | | 1 Ignition switch in position 0. | | | 2 Measure the resistance between right-hand headlamp, connector C422, pin 6, circuit 31-LE30 (BK), wiring harness side and ground. | | | Is less than 2 ohms measured? Yes CHECK and if necessary INSTALL A NEW right-hand headlamp. CHECK the operation of the system. No LOCATE and RECTIFY the break in the circuit between the headlamp and soldered connection S11 using the Wiring Diagrams. CHECK the operation of the system. | | PINPOINT TEST E : ONE MAIN BEAM IS INOPERATIVE | | TEST CONDITIONS | DETAILS/RESULTS/ACTIONS | | E1: DETERMINE THE FAULT CONDITION | | | 1 Ignition switch in position II. | | | 2 SWITCH ON main beam. | | | 3 Determine the fault condition. | | | Is the left-hand main beam inoperative? Yes No The right-hand main beam is inoperative: GO to E6. | | E2: CHECK FUSE F52 (CJB) | | | 1 Ignition switch in position 0. | | | 2 CHECK fuse F52 (10 A) (CJB). | | | Is the fuse OK? Yes No INSTALL A NEW fuse F52 (10 A). If the fuse blows again, LOCATE and RECTIFY the short to ground using the Wiring Diagrams. CHECK the operation of the system. | | E3: CHECK THE VOLTAGE AT FUSE F52 (CJB) | | | 1 Connect fuse F52 (10 A) (CJB). | | | 2 Ignition switch in position II. | | | 3 SWITCH ON main beam. | | | 4 Measure the voltage between fuse F52 (10 A) and ground. | | | Does the meter display battery voltage? Yes No LOCATE and RECTIFY the break in the voltage supply to fuse F52 (CJB) using the Wiring Diagrams, if necessary CHECK and INSTALL A NEW CJB. CHECK the operation of the system. | | E4: CHECK VOLTAGE AT THE LEFT-HAND HEADLAMP | | | 1 Ignition switch in position 0. | | | 2 Disconnect left-hand headlamp from connector C416. | | | 3 Ignition switch in position II. | | | 4 SWITCH ON main beam. | | | 5 Measure the voltage between left-hand headlamp, connector C416, pin 1, circuit 15S-LE15 (GN/BK), wiring harness side and ground. | | | Does the meter display battery voltage? Yes No LOCATE and RECTIFY the break in the circuit between fuse F52 (CJB) and the left headlamp using the Wiring Diagrams. CHECK the operation of the system. | | E5: CHECK GROUND CONNECTION OF THE LEFT-HAND HEADLAMP | | | 1 Ignition switch in position 0. | | | 2 Measure the resistance between left-hand headlamp, connector C416, pin 6, circuit 31-LE31 (BK), wiring harness side and ground. | | | Is less than 2 ohms measured? Yes CHECK and if necessary INSTALL A NEW headlamp. CHECK the operation of the system. No LOCATE and RECTIFY the break in the circuit between the headlamp and soldered connection S10 using the Wiring Diagrams. CHECK the operation of the system. | | E6: CHECK FUSE F53 (CJB) | | | 1 Ignition switch in position 0. | | | 2 CHECK fuse F53 (10 A) (CJB). | | | Is the fuse OK? Yes No INSTALL A NEW fuse F53 (10 A). If the fuse blows again, LOCATE and RECTIFY the short to ground using the Wiring Diagrams. CHECK the operation of the system. | | E7: CHECK THE VOLTAGE AT FUSE F53 (CJB) | | | 1 Connect fuse F53 (10 A) (CJB). | | | 2 Ignition switch in position II. | | | 3 SWITCH ON main beam. | | | 4 Measure the voltage between fuse F53 (10 A) and ground. | | | Does the meter display battery voltage? Yes No LOCATE and RECTIFY the break in the voltage supply to fuse F53 (CJB) using the Wiring Diagrams, if necessary CHECK and INSTALL A NEW CJB. CHECK the operation of the system. | | E8: CHECK VOLTAGE AT THE RIGHT-HAND HEADLAMP | | | 1 Ignition switch in position 0. | | | 2 Disconnect right-hand headlamp from connector C422. | | | 3 Ignition switch in position II. | | | 4 SWITCH ON main beam. | | | 5 Measure the voltage between right-hand headlamp, connector C422, pin 1, circuit 15S-LE22 (GN/OG), wiring harness side and ground. | | | Does the meter display battery voltage? Yes No LOCATE and RECTIFY the break in the circuit between fuse F53 (CJB) and the right-hand headlamp using the Wiring Diagrams. CHECK the operation of the system. | | E9: CHECK GROUND CONNECTION OF THE RIGHT-HAND HEADLAMP | | | 1 Ignition switch in position 0. | | | 2 Measure the resistance between right-hand headlamp, connector C422, pin 6, circuit 31-LE30 (BK), wiring harness side and ground. | | | Is less than 2 ohms measured? Yes CHECK and if necessary INSTALL A NEW headlamp. CHECK the operation of the system. No LOCATE and RECTIFY the break in the circuit between the headlamp and soldered connection S11 using the Wiring Diagrams. CHECK the operation of the system. | | PINPOINT TEST F : THE HEADLAMPS ILLUMINATE CONTINUOUSLY | | TEST CONDITIONS | DETAILS/RESULTS/ACTIONS | | F1: DETERMINE THE FAULT CONDITION | | | 1 Determine the fault condition. | | | Is the main beam permanently switched on? Yes No Dipped beam permanently switched on: GO to F2. | | F2: NARROW DOWN THE CAUSE OF THE SHORT TO BATTERY VOLTAGE | NOTE:Switch off dipped beam. | | | 1 Ignition switch in position 0. | | | 2 Disconnect dipped beam relay from socket C417. | | | 3 Ignition switch in position II. | | | 4 Check the dipped beam. | | | Does the dipped beam illuminate? Yes No | | F3: NARROW DOWN THE CAUSE OF THE SHORT TO BATTERY VOLTAGE | | | 1 Ignition switch in position 0. | | | 2 Disconnect fuse F9 (10 A) (CJB). | | | 3 Disconnect fuse F10 (10 A) (CJB). | | | 4 Ignition switch in position II. | | | 5 Check the dipped beam. | | | Does the dipped beam illuminate on one side? Yes - Left-hand dipped beam illuminates: LOCATE and RECTIFY the short to battery voltage in circuit 15S-LE16 (GN/OG), which is connected to the output of fuse F9 (10 A) (CJB), using the Wiring Diagrams. CHECK the operation of the system. - Right-hand dipped beam illuminates: LOCATE and RECTIFY the short to battery voltage in circuit 15S-LE23 (GN/WH), which is connected to the output of fuse F10 (10 A) (CJB), using the Wiring Diagrams. CHECK the operation of the system. No LOCATE and RECTIFY the short to battery voltage in circuit 15S-DB7 (GN/YE), between dipped beam relay and CJB, using the Wiring Diagrams, if necessary INSTALL A NEW CJB. CHECK the operation of the system. | | F4: CHECK THE VOLTAGE AT THE DIPPED BEAM RELAY (CONTROL CIRCUIT) | | | 1 Measure the voltage between the dipped beam relay, socket C417, pin 1, circuit 15S-LE19 (GN/BU), CJB side and ground. | | | Does the meter display battery voltage? Yes No INSTALL A NEW dipped beam relay. CHECK the operation of the system. | | F5: CHECK CONTROL CIRCUIT 15S-LE19 (GN/BU) FOR SHORT TO BATTERY VOLTAGE | | | 1 Ignition switch in position 0. | | | 2 Disconnect turn signal switch from connector C357. | | | 3 Ignition switch in position II. | | | 4 Measure voltage between turn signal switch, connector C357, pin 9, circuit 15S-LE19 (GN/BU), wiring harness side and ground. | | | Does the meter display battery voltage? Yes LOCATE and RECTIFY the short to battery voltage in the circuit between the turn signal switch and the dipped beam relay using the Wiring Diagrams. CHECK the operation of the system. No | | F6: CHECK THE HEADLAMP SWITCH | | | 1 Ignition switch in position 0. | | | 2 Disconnect headlamp switch from connector C338. | | | 3 Connect turn signal switch with connector C357. | | | 4 Connect dipped beam relay to socket C417. | | | 5 Ignition switch in position II. | | | 6 Check the dipped beam. | | | Does the dipped beam illuminate? Yes LOCATE and RECTIFY short to battery voltage in circuit 15S-LE14 (GN/RD) between headlamp switch and turn signal switch using the Wiring Diagrams. CHECK the operation of the system. No INSTALL A NEW headlamp switch. CHECK the operation of the system. | | F7: NARROW DOWN THE CAUSE OF THE SHORT TO BATTERY VOLTAGE | NOTE:Main beam is switched off. | | | 1 Ignition switch in position 0. | | | 2 Disconnect main beam relay from socket C411. | | | 3 Ignition switch in position II. | | | 4 Check the main beam. | | | Does the main beam illuminate? Yes No | | F8: NARROW DOWN THE CAUSE OF THE SHORT TO BATTERY VOLTAGE | | | 1 Ignition switch in position 0. | | | 2 Disconnect fuse F52 (10 A) (CJB). | | | 3 Disconnect fuse F53 (10 A) (CJB). | | | 4 Ignition switch in position II. | | | 5 Check the main beam. | | | Does main beam illuminate on one side? Yes - Left-hand main beam illuminates: LOCATE and RECTIFY the short to battery voltage in circuit 15S-LE15 (GN/BK), which is connected to the output of fuse F52 (10 A) (CJB), using the Wiring Diagrams. CHECK the operation of the system. - Right-hand main beam illuminates: LOCATE and RECTIFY the short to battery voltage in circuit 15S-LE22 (GN/OG), which is connected to the output of fuse F53 (10 A) (CJB), using the Wiring Diagrams. CHECK the operation of the system. No LOCATE and RECTIFY the short to battery voltage in circuit 15S-DB6 (GN/WH), between main beam relay and CJB, using the Wiring Diagrams, if necessary INSTALL A NEW CJB. CHECK the operation of the system. | | F9: CHECK THE VOLTAGE AT THE MAIN BEAM RELAY (CONTROL CIRCUIT) | | | 1 Measure the voltage between the main beam relay, socket C411, pin 1, circuit 15S-LE12 (GN/YE), CJB side and ground. | | | Does the meter display battery voltage? Yes No INSTALL A NEW main beam relay. CHECK the operation of the system. | | F10: CHECK CONTROL CIRCUIT 15S-LE12 (GN/YE) FOR SHORT TO BATTERY VOLTAGE | | | 1 Ignition switch in position 0. | | | 2 Disconnect turn signal switch from connector C357. | | | 3 Ignition switch in position II. | | | 4 Measure the voltage between turn signal switch, connector C357, pin 7, circuit 15S-LE12A (GN/YE), wiring harness side and ground. | | | Does the meter display battery voltage? Yes No INSTALL A NEW turn signal switch. CHECK the operation of the system. | | F11: CHECK THE INSTRUMENT CLUSTER | | | 1 Ignition switch in position 0. | | | 2 Disconnect instrument cluster from connector C332. | | | 3 Ignition switch in position II. | | | 4 Measure the voltage between turn signal switch, connector C357, pin 7, circuit 15S-LE12A (GN/YE), wiring harness side and ground. | | | Does the meter display battery voltage? Yes LOCATE and RECTIFY the short to battery voltage in the circuit(s) connected to soldered connection S274 using the Wiring Diagrams. CHECK the operation of the system. No CHECK the instrument cluster using WDS, INSTALL A NEW ONE if necessary. CHECK the operation of the system. | | PINPOINT TEST G : THE HEADLAMP FLASHER IS INOPERATIVE | | TEST CONDITIONS | DETAILS/RESULTS/ACTIONS | | G1: DETERMINE THE FAULT CONDITION | | | 1 Ignition switch in position II. | | | 2 Determine the fault condition. | | | 3 SWITCH ON main beam. | | | Is the main beam permanently switched on? Yes No | | G2: LOCATE THE FAULT | | | 1 Ignition switch in position 0. | | | 2 Disconnect turn signal switch from connector C357. | | | 3 Ignition switch in position II. | | | 4 Measure the voltage between turn signal switch, connector C357, pin 6, circuit 15-LE14 (GN/RD), wiring harness side and ground. | | | Does the meter display battery voltage? Yes INSTALL A NEW turn signal switch. CHECK the operation of the system. No LOCATE and RECTIFY the break in the circuit between the headlamp switch and the turn signal switch using the Wiring Diagrams. CHECK the operation of the system. | |
