| PINPOINT TEST B : TURN SIGNAL LAMPS ARE INOPERATIVE |
| TEST CONDITIONS | DETAILS/RESULTS/ACTIONS |
| B1: DETERMINE THE FAULT CONDITION |
| | 1 Determine the fault condition. |
| | Is one or both complete direction side(s) inoperative? Yes No One or two turn signal lamps is/are inoperative: GO to B4. |
| B2: CHECK THE SYSTEM BY USING THE WDS |
| | 1 Connect the diagnostic tool. |
| | 2 Check the system by using the WDS. |
| | Are any error-codes (DTC's) indicated? Yes WORK through the DTC's, according to the WDS instruction. CLEAR the error memory and TEST the system for normal operation. No One direction side is inoperative: GO to B4. Both direction sides are inoperative: GO to B3. |
| B3: CHECK THE GROUND CONNECTION OF THE MULTIFUNCTION SWITCH |
| | 1 Ignition switch in position 0. |
| | 2 Disconnect Multifunction switch C265. |
| | 3 Measure the resistance between multifunction switch, connector C265, pin 5, circuit (BN), harness side and ground. |
| | Is the resistance less than 2 ohms? Yes CHECK the multifunction switch according to the Component Test attached to procedure Headlamps, if necessary INSTALL a new one. TEST the system for normal operation. No REPAIR the open circuit (BN), between multifunction switch and ground G5 (LHD) resp. G9 (RHD), by using the wiring diagrams. TEST the system for normal operation. |
| B4: DETERMINE THE FAULT CONDITION |
| | 1 Determine the fault condition. |
| | Is/Are the turn signal lamp(s) left-hand side inoperative? Yes LH direction side is inoperative: GO to B9. LH front and side turn signal lamp are inoperative: REPAIR the open circuit (BK/WH) between CJB, connector C7, pin 5 and splice S82, by using the wiring diagrams. TEST the system for normal operation. LH front turn signal lamp is inoperative (conventional headlamp): GO to B19. LH front turn signal lamp is inoperative (xenon headlamp): GO to B21. LH side turn signal lamp, is inoperative: GO to B23. LH rear turn signal lamp is inoperative: GO to B25. No RH direction side is inoperative: GO to B5. RH front and side turn signal lamp are inoperative: REPAIR the open circuit (BK/GN), between splice S83 and S84, by using the wiring diagrams. TEST the system for normal operation. RH front turn signal lamp is inoperative (conventional headlamp): GO to B11. RH front turn signal lamp is inoperative (xenon headlamp): GO to B13. RH side turn signal lamp is inoperative: GO to B15. RH rear turn signal lamp is inoperative: GO to B17. |
| B5: CHECK THE MULTIFUNCTION SWITCH FOR PROPER FUNCTION |
| | 1 Ignition switch in position 0. |
| | 2 Disconnect Multifunction switch C265. |
| | 3 Check the multifunction switch according to the Component Test attached to procedure Headlamps. |
| | Is the multifunction switch OK? Yes No INSTALL a new multifunction switch. TEST the system for normal operation. |
| B6: CHECK THE CIRCUIT (GN) BETWEEN CJB AND MULTIFUNCTION SWITCH FOR OPEN |
| | 1 Disconnect Central Junction Box (CJB) C1. |
| | 2 Measure the resistance between CJB, connector C1, pin 3, circuit (GN), harness side and multifunction switch, connector C265, pin 11, circuit (GN), harness side. |
| | Is the resistance less than 2 ohms? Yes Vehicle with conventional headlamps: GO to B7. No REPAIR the open circuit (GN), between CJB and multifunction switch. TEST the system for normal operation. |
| B7: CHECK THE CIRCUIT (BK/GN) BETWEEN CJB AND RH TURN SIGNAL LAMPS |
| | 1 Disconnect Central Junction Box (CJB) C7. |
| | 2 Disconnect Headlamp right-hand side C195. |
| | 3 Measure the resistance between headlamp right-hand side, connector C195, pin 6, circuit (BK/GN), harness side and CJB, connector C7, pin 6, circuit (BK/GN), harness side. |
| | Is the resistance less than 2 ohms? Yes INSTALL a new CJB. TEST the system for normal operation. No REPAIR the open circuit (BK/GN), between CJB and splice S83, by using the wiring diagrams. TEST the system for normal operation. |
| B8: CHECK THE CIRCUIT (BK/GN) BETWEEN CJB AND RH TURN SIGNAL LAMPS |
| | 1 Disconnect Central Junction Box (CJB) C7. |
| | 2 Disconnect Headlamp right-hand side C272. |
| | 3 Measure the resistance between headlamp right-hand side, connector C272, pin 3, circuit (BK/GN), harness side and CJB, connector C7, pin 6, circuit (BK/GN), harness side. |
| | Is the resistance less than 2 ohms? Yes INSTALL a new CJB. TEST the system for normal operation. No REPAIR the open circuit (BK/GN), between CJB and splice S83, by using the wiring diagrams. TEST the system for normal operation. |
| B9: CHECK THE MULTIFUNCTION SWITCH FOR PROPER FUNCTION |
| | 1 Ignition switch in position 0. |
| | 2 Disconnect Multifunction switch C265. |
| | 3 Check the multifunction switch according to the Component Test attached to procedure Headlamps. |
| | Is the multifunction switch OK? Yes No INSTALL a new multifunction switch. TEST the system for normal operation. |
| B10: CHECK THE CIRCUIT (GN/BK) BETWEEN CJB AND MULTIFUNCTION SWITCH FOR OPEN |
| | 1 Ignition switch in position 0. |
| | 2 Disconnect Central Junction Box (CJB) C1. |
| | 3 Measure the resistance between CJB, connector C1, pin 4, circuit (GN/BK), harness side and multifunction switch, connector C265, pin 3, circuit (GN/BK), harness side. |
| | Is the resistance less than 2 ohms? Yes INSTALL a new CJB. TEST the system for normal operation. No REPAIR the open circuit (GN/BK), between CJB and multifunction switch, by using the wiring diagrams. TEST the system for normal operation. |
| B11: CHECK THE VOLTAGE AT THE HEADLAMP RIGHT-HAND SIDE |
| | 1 Ignition switch in position 0. |
| | 2 Disconnect Headlamp right-hand side C195. |
| | 3 Ignition switch in position II. |
| | 4 Turn on the RH TURN SIGNAL. |
| | 5 Measure the voltage between headlamp right-hand side, connector C195, pin 6, circuit (BK/GN), harness side and ground. |
| | Is alternating battery voltage indicated? Yes No REPAIR the open circuit (BK/GN), between headlamp right-hand side and splice S84, by using the wiring diagrams. TEST the system for normal operation. |
| B12: CHECK THE GROUND CONNECTION OF THE HEADLAMP RIGHT-HAND SIDE |
| | 1 Ignition switch in position 0. |
| | 2 Measure the resistance between headlamp right-hand side, connector C195, pin 8, circuit (BN), harness side and ground. |
| | Is the resistance less than 2 ohms? Yes CHECK the headlamp, if necessary INSTALL a new one. TEST the system for normal operation. No REPAIR the open circuit (BN), between headlamp right-hand side and splice S177, by using the wiring diagrams. TEST the system for normal operation. |
| B13: CHECK THE VOLTAGE AT THE XENON HEADLAMP RIGHT-HAND SIDE |
| | 1 Ignition switch in position 0. |
| | 2 Disconnect Headlamp right-hand side C272. |
| | 3 Ignition switch in position II. |
| | 4 Turn on the RH TURN SIGNAL. |
| | 5 Measure the voltage between headlamp right-hand side, connector C272, pin 3, circuit (BK/GN), harness side and ground. |
| | Is alternating battery voltage indicated? Yes No REPAIR the open circuit (BK/GN), between headlamp right-hand side and splice S84, by using the wiring diagrams. TEST the system for normal operation. |
| B14: CHECK THE GROUND CONNECTION OF THE XENON HEADLAMP RIGHT-HAND SIDE |
| | 1 Ignition switch in position 0. |
| | 2 Measure the resistance between headlamp right-hand side, connector C272, pin 7, circuit (BN), harness side and ground. |
| | Is the resistance less than 2 ohms? Yes CHECK the headlamp, if necessary INSTALL a new one (slave-headlamp). TEST the system for normal operation. No REPAIR the open circuit (BN), between headlamp right-hand side and splice S177, by using the wiring diagrams. TEST the system for normal operation. |
| B15: CHECK THE VOLTAGE AT THE SIDE TURN SIGNAL LAMP RIGHT-HAND SIDE |
| | 1 Ignition switch in position 0. |
| | 2 Disconnect Side turn signal lamp right-hand side C380. |
| | 3 Ignition switch in position II. |
| | 4 Turn on the RH TURN SIGNAL. |
| | 5 Measure the voltage between side turn signal lamp right-hand side, connector C380, pin 2, circuit (BK/GN), harness side and ground. |
| | Is alternating battery voltage indicated? Yes No REPAIR the open circuit (BK/GN), between side turn signal lamp right-hand side and splice S84, by using the wiring diagrams. TEST the system for normal operation. |
| B16: CHECK THE GROUND CONNECTION OF THE SIDE TURN SIGNAL LAMP RIGHT-HAND SIDE |
| | 1 Ignition switch in position 0. |
| | 2 Measure the resistance between side turn signal lamp right-hand side, connector C380, pin 1, circuit (BN), harness side and ground. |
| | Is the resistance less than 2 ohms? Yes CHECK the side turn signal lamp, if necessary INSTALL a new one. TEST the system for normal operation. No REPAIR the open circuit (BN), between side turn signal lamp right-hand side and splice S177, by using the wiring diagrams. TEST the system for normal operation. |
| B17: CHECK THE VOLTAGE AT THE REAR LAMP ASSEMBLY RIGHT-HAND SIDE |
| | 1 Ignition switch in position 0. |
| | 2 Disconnect Rear lamp assembly right-hand side C262. |
| | 3 Ignition switch in position II. |
| | 4 Turn on the RH TURN SIGNAL. |
| | 5 Measure the voltage between rear turn signal lamp right-hand side, connector C262, pin 1, circuit (BK/GN), harness side and ground. |
| | Is alternating battery voltage indicated? Yes No REPAIR the open circuit (BK/GN), between rear turn signal lamp right-hand side and splice S83, by using the wiring diagrams. TEST the system for normal operation. |
| B18: CHECK THE GROUND CONNECTION OF THE REAR LAMP ASSEMBLY RIGHT-HAND SIDE |
| | 1 Ignition switch in position 0. |
| | 2 Measure the resistance between rear turn signal lamp right-hand side, connector C262, pin 3, circuit (BN), harness side and ground. |
| | Is the resistance less than 2 ohms? Yes CHECK the rear lamp assembly, if necessary INSTALL a new one. TEST the system for normal operation. No REPAIR the open circuit (BN), between rear lamp assembly right-hand side and ground G13, by using the wiring diagrams. TEST the system for normal operation. |
| B19: CHECK THE VOLTAGE AT THE HEADLAMP LEFT-HAND SIDE |
| | 1 Ignition switch in position 0. |
| | 2 Disconnect Headlamp left-hand side C194. |
| | 3 Ignition switch in position II. |
| | 4 Turn on the LH TURN SIGNAL. |
| | 5 Measure the voltage between headlamp left-hand side, connector C194, pin 6, circuit (BK/WH), harness side and ground. |
| | Is alternating battery voltage indicated? Yes No REPAIR the open circuit (BK/WH), between headlamp left-hand side and splice S82, by using the wiring diagrams. TEST the system for normal operation. |
| B20: CHECK THE GROUND CONNECTION OF THE HEADLAMP LEFT-HAND SIDE |
| | 1 Ignition switch in position 0. |
| | 2 Measure the resistance between headlamp left-hand side, connector C194, pin 8, circuit (BN), harness side and ground. |
| | Is the resistance less than 2 ohms? Yes CHECK the headlamp, if necessary INSTALL a new one. TEST the system for normal operation. No REPAIR the open circuit (BN), between headlamp left-hand side and splice S17, by using the wiring diagrams. TEST the system for normal operation. |
| B21: CHECK THE VOLTAGE AT THE XENON HEADLAMP LEFT-HAND SIDE |
| | 1 Ignition switch in position 0. |
| | 2 Disconnect Headlamp left-hand side C271. |
| | 3 Ignition switch in position II. |
| | 4 Turn on the LH TURN SIGNAL. |
| | 5 Measure the voltage between headlamp left-hand side, connector C271, pin 3, circuit (BK/WH), harness side and ground. |
| | Is alternating battery voltage indicated? Yes No REPAIR the open circuit (BK/WH), between headlamp left-hand side and splice S82, by using the wiring diagrams. TEST the system for normal operation. |
| B22: CHECK THE GROUND CONNECTION OF THE XENON HEADLAMP LEFT-HAND SIDE |
| | 1 Ignition switch in position 0. |
| | 2 Measure the resistance between headlamp left-hand side, connector C271, pin 7, circuit (BN), harness side and ground. |
| | Is the resistance less than 2 ohms? Yes CHECK the headlamp, if necessary INSTALL a new one (master-headlamp). TEST the system for normal operation. No REPAIR the open circuit (BN), between headlamp left-hand side and splice S17, by using the wiring diagrams. TEST the system for normal operation. |
| B23: CHECK THE VOLTAGE AT THE SIDE TURN SIGNAL LAMP LEFT-HAND SIDE |
| | 1 Ignition switch in position 0. |
| | 2 Disconnect Side turn signal lamp left-hand side C384. |
| | 3 Ignition switch in position II. |
| | 4 Turn on the LH TURN SIGNAL. |
| | 5 Measure the voltage between side turn signal lamp left-hand side, connector C384, pin 2, circuit (BK/WH), harness side and ground. |
| | Is alternating battery voltage indicated? Yes No REPAIR the open circuit (BK/WH), between side turn signal lamp left-hand side and splice S82, by using the wiring diagrams. TEST the system for normal operation. |
| B24: CHECK THE GROUND CONNECTION OF THE SIDE TURN SIGNAL LAMP LEFT-HAND SIDE |
| | 1 Ignition switch in position 0. |
| | 2 Measure the resistance between side turn signal lamp left-hand side, connector C384, pin 1, circuit (BN), harness side and ground. |
| | Is the resistance less than 2 ohms? Yes CHECK the side turn signal lamp, if necessary INSTALL a new one. TEST the system for normal operation. No REPAIR the open circuit (BN), between headlamp left-hand side and splice S17, by using the wiring diagrams. TEST the system for normal operation. |
| B25: CHECK THE VOLTAGE AT THE REAR LAMP ASSEMBLY LEFT-HAND SIDE |
| | 1 Ignition switch in position 0. |
| | 2 Disconnect Rear lamp assembly left-hand side C261. |
| | 3 Ignition switch in position II. |
| | 4 Turn on the LH TURN SIGNAL. |
| | 5 Measure the voltage between rear lamp assembly left-hand side, connector C261, pin 4, circuit (BK/WH), harness side and ground. |
| | Is alternating battery voltage indicated? Yes No REPAIR the open circuit (BK/WH), between rear lamp assembly left-hand side and CJB, connector C7, pin 5, by using the wiring diagrams. TEST the system for normal operation. |
| B26: CHECK THE GROUND CONNECTION OF THE REAR LAMP ASSEMBLY LEFT-HAND SIDE |
| | 1 Ignition switch in position 0. |
| | 2 Measure the resistance between rear lamp assembly left-hand side, connector C261, pin 2, circuit (BN), harness side and ground. |
| | Is the resistance less than 2 ohms? Yes CHECK the rear lamp assembly, if necessary INSTALL a new one. TEST the system for normal operation. No REPAIR the open circuit (BN), between rear lamp assembly left-hand side and ground G8, by using the wiring diagrams. TEST the system for normal operation. |
