PINPOINT TEST A : THE FRONT INTERIOR LAMP IS INOPERATIVE |
TEST CONDITIONS | DETAILS/RESULTS/ACTIONS |
A1: VERIFY THE CONCERN |
| 1 Check for operation of the interior lamp in both the ON and 12 SEC positions. |
| Is the interior lamp inoperative in both positions? Yes No If inoperative in the 12 SEC position, GO to A2. If inoperative in the ON position, GO to A13. |
A2: CHECK INPUT FROM THE INTERIOR LAMP SWITCHES |
NOTE:Make sure that the front interior lamp switch is in the 12 SEC position. |
| 1 Check for operation of the illuminated entry from all doors. |
| Is illuminated entry inoperative from only one door? Yes If driver door interior lamp switch inoperative, GO to A3. If any other door interior lamp switch inoperative, GO to A6. No |
A3: CHECK THE DRIVER DOOR INTERIOR LAMP SWITCH SIGNAL TO MODULE |
| 1 Disconnect GEM C104. |
| 2 Measure the resistance between the GEM C104 pin 22, circuit 31S-GL9 (BK/YE) (LHD) or circuit 31S-GL16 (BK/BU) harness side and ground. Note the reading with the door interior lamp switch pressed (door open) as well as released (door closed). |
| Is the resistance less than 5 ohms (door closed) and greater than 10,000 ohms (door open)? Yes INSTALL a new GEM. TEST the system for normal operation. No |
A4: CHECK THE DRIVER DOOR PIN CIRCUIT FOR OPEN |
| 1 Disconnect Driver Interior Lamp Switch C685 (LHD), C684 (RHD). |
| 2 Measure the resistance between interior lamp switch C685 pin 1, (LHD) or C684 pin 1, (RHD), harness side and the GEM C104 pin 22, circuit 31S-GL9 (BK/YE) (LHD) or circuit 31S-GL16 (BK/BU), harness side. |
| Is the resistance less than 5 ohms? Yes No REPAIR circuit 31S-GL9 (BK/YE) for LHD or circuit 31S-GL16 (BK/BU) for RHD. TEST the system for normal operation. |
A5: CHECK GROUND CIRCUIT TO DRIVER DOOR INTERIOR LAMP SWITCH FOR OPEN |
| 1 Measure the resistance between interior lamp switch C685 pin 2, circuit 31-GL9 (BK) (LHD) or C684 pin 2, circuit 31-GL16 (BK) (RHD) harness side and ground. |
| Is the resistance less than 5 ohms? Yes INSTALL a new driver door interior lamp switch. TEST the system for normal operation. No REPAIR circuit 31-GL9 (BK) for LHD or circuit 31-GL16 (BK) for RHD. TEST the system for normal operation. |
A6: CHECK THE DOOR INTERIOR LAMP SWITCH SIGNAL(S) TO THE GEM |
| 1 Disconnect GEM C101, GEM C102. |
| 2 Measure the resistance between the GEM C101 pin 18 and GEM C102 pin 15, harness side and ground. Note the reading with the door interior lamp switch(s) pressed (door closed) as well as released (door open). |
| Is the resistance less than 5 ohms (door open) and greater than 10,000 ohms (door closed)? Yes INSTALL a new GEM. TEST the system for normal operation. No |
A7: CHECK THE DOOR INTERIOR LAMP CIRCUIT(S) FOR OPEN |
| 1 Disconnect Interior Lamp Switches C686, C687, C684 and C685. |
| 2 Measure the resistance between: - the GEM C101 pin 18, circuit 31S-GL19 (BK/GN) and the interior lamp switch C686 pin 1, circuit 31S-GL19 (BK/GN) (rear right) harness side.
- the GEM C102 pin 15, circuit 31S-GL12 (BK/OG) and the interior lamp switch C687 pin 1, circuit 31S-GL12 (BK/OG) (rear left) harness side.
- the GEM C104 pin 21, circuit 31S-GL16 (BK/BU) (LHD front passenger) and the interior lamp switch C684 pin 1, circuit 31S-GL16 (BK/BU) harness side.
- the GEM C104 pin 21, circuit 31S-GL9 (BK/YE) (RHD front passenger) and the interior lamp switch C685 pin 1, circuit 31S-GL9 (BK/YE) harness side.
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| Is the resistance less than 5 ohms? Yes No For rear doors, REPAIR circuit 31S-GL19 (BK/GN) (right rear) or circuit 31S-GL12 (BK/OG) (left rear). For front passenger doors, REPAIR circuit 31S-GL16 (BK/BU) (LHD) or circuit 31S-GL9 (BK/YE) (RHD). TEST the system for normal operation. |
A8: CHECK GROUND CIRCUIT TO DOOR INTERIOR LAMP SWITCH FOR OPEN |
| 1 Measure the resistance between interior lamp switch C684 pin 2, circuit 31-GL16 (BK) (passenger LHD) or C685 pin 2, circuit 31-GL9 (BK) (passenger RHD), or C686 pin 2, circuit 31-GL19 (BK) (right rear), or C687 pin 2, circuit 31-GL12 (left rear) harness side and ground. |
| Is the resistance less than 5 ohms? Yes No For rear doors REPAIR circuit 31-GL19 (BK) (right rear) or circuit 31-GL12 (BK) (left rear). For front passenger doors, REPAIR circuit 31-GL16 (BK) (LHD) or circuit 31-GL9 (BK) (RHD). TEST the system for normal operation. |
A9: CHECK FRONT INTERIOR LAMP FOR OPEN |
| 1 Disconnect Front Interior Lamp C899. |
| 2 Disconnect Front Interior Lamp C890. |
| 3 Position the front interior lamp switch in the 12 SEC position. |
| 4 Measure the resistance between the front interior lamp C899 pin 1 and front interior lamp C890 pin 1 (component side). |
| Is the resistance less than 5 ohms? Yes No INSTALL a new front interior lamp. TEST the system for normal operation. |
A10: CHECK GROUND CIRCUIT 31-LC7 (BK) TO FRONT INTERIOR LAMP FOR OPEN |
| 1 Measure the resistance between the front interior lamp C890 pin 2, circuit 31-LC7 (BK), harness side and ground. |
| Is the resistance less than 5 ohms? Yes No REPAIR circuit 31-LC7 (BK). TEST the system for normal operation. |
A11: CHECK SWITCHED GROUND CIRCUIT TO FRONT INTERIOR LAMP FOR OPEN |
| 1 Disconnect GEM C101. |
| |
| 2 Measure the resistance between the front interior lamp C890 pin 1, circuit 31S-LC7 (BK/BU), harness side and the GEM C101 pin 3, circuit 31S-LC1 (BK/BU), harness side. |
| Is the resistance less than 5 ohms? Yes INSTALL a new GEM. No REPAIR circuit 31S-LC7 (BK/BU) or 31S-LC1 (BK/BU). TEST the system for normal operation. |
A12: CHECK CIRCUIT 29-LC7 (OG/BU) FOR VOLTAGE |
| 1 Disconnect Front interior lamp C899. |
| 2 Measure the voltage between the front interior lamp C899 pin 1, circuit 29-LC7 (OG/BU), harness side and ground. |
| Is the voltage greater than 10 volts? Yes No |
A13: CHECK CIRCUIT 29-LC7 (OG/BU) FOR OPEN |
| 1 Disconnect Battery Saver Relay. |
| 2 Measure the resistance between the battery saver relay pin 5, and C899 pin 1, circuit 29-LC7 (OG/BU), harness side. |
| Is the resistance less than 5 ohms? Yes No REPAIR circuit 29-LC7 (OG/BU). TEST the system for normal operation. |
A14: CHECK POWER SUPPLY TO THE BATTERY SAVER RELAY |
| 1 Measure the voltage between the battery saver relay pin 3, circuit 30-DA1 (RD), harness side and ground. |
| Is the voltage greater than 10 volts? Yes No CHECK fuse 35 (7.5A) and fuse 7 (40A), INSTALL new fuse(s) as necessary. If both fuses are OK, REPAIR circuit 30-DA1 (RD). TEST the system for normal operation. |
A15: CHECK CONDITION OF BATTERY SAVER RELAY |
| 1 Carry out a component test on the battery saver relay. REFER to Component Test in this section. |
| Is the relay OK? Yes INSTALL a new GEM. TEST the system for normal operation. No INSTALL a new battery saver relay. TEST the system for normal operation. |
A16: CHECK GROUND CIRCUIT TO FRONT INTERIOR LAMP |
| 1 Disconnect Front Interior Lamp C890. |
| 2 Measure the resistance between the front interior lamp C890 pin 2, circuit 31-LC7 (BK), harness side and ground. |
| Is the resistance less than 5 ohms? Yes INSTALL a new front interior lamp. TEST the system for normal operation. No REPAIR circuit 31-LC7 (BK). TEST the system for normal operation. |
A17: CHECK CIRCUIT 29-LC7 (OG/BU) FOR VOLTAGE |
| 1 Disconnect Front Interior Lamp C899. |
| 2 Measure the voltage between the front interior lamp C899 pin 1, circuit 29-LC7 (OG/BU), harness side and ground. |
| Is the voltage greater than 10 volts? Yes INSTALL a new front interior lamp. TEST the system for normal operation. No |
A18: CHECK CIRCUIT 29-LC7 (OG/BU) FOR OPEN |
| 1 Disconnect Battery Saver Relay. |
| 2 Measure the resistance between the battery saver relay pin 5, and the front interior lamp C899 pin 1, circuit 29-LC7 (OG/BU), harness side. |
| Is the resistance less than 5 ohms? Yes No REPAIR circuit 29-LC7 (OG/BU). TEST the system for normal operation. |
A19: CHECK POWER SUPPLY TO THE BATTERY SAVER RELAY |
| 1 Measure the voltage between the battery saver relay pin 3, circuit 30-DA1 (RD), harness side and ground. |
| Is the voltage greater than 10 volts? Yes No CHECK fuse 35 (7.5A) and fuse 7 (40A), INSTALL new fuse(s) as necessary. If both fuses are OK, REPAIR circuit 30-DA1 (RD). TEST the system for normal operation. |
A20: CHECK CONDITION OF BATTERY SAVER RELAY |
| 1 Carry out a component test on the battery saver relay. REFER to Component Test in this section. |
| Is the relay OK? Yes INSTALL a new GEM. TEST the system for normal operation. No INSTALL a new battery saver relay. TEST the system for normal operation. |