Operation CHARM: Car repair manuals for everyone.

Diagnostics Item 1 (6B)

6B1: CHECK FUSE.
Remove and visually check fuse No.7 (in main fuse box).

CHECK: Is fuse No. 7 blown?

YES: Replace fuse (20 A).

NO: Go to step 6B2.

6B2: CHECK FUSE.
Remove and visually check fuse No.5 (in main fuse box).

CHECK: Is fuse No.5 blown?

YES: Replace fuse (10 A).

NO: Go to step 6B3.

6B3: CHECK CLEARANCE LIGHT BULB.
Remove and visually check each clearance light bulb.

CHECK: Is the bulb blown?

YES: Replace clearance light bulb.

NO: Go to step 6B4.

Connector & Terminal - [(F68) No.4 (+) - Chassis Ground (-)]:




6B4: CHECK POWER SUPPLY FOR CLEARANCE LIGHT.
Measure voltage between main fuse box connector (F68) and chassis ground.

CHECK: Is the voltage more than 10 V?

YES: Go to step 6B5.

NO: Repair wiring harness between main fuse box and battery.

6B5: CHECK POWER SUPPLY FOR CLEARANCE LIGHT.
1. Disconnect connector from security control module.

Connector & Terminal - [(B93) No.11 (+) - Chassis Ground (-)]:




2. Measure voltage between security control module connector (B93) and chassis ground.

CHECK: Is the voltage more than 10 V?

YES: Go to step 6B6.

NO: Repair wiring harness between security control module and main fuse box.

6B6: CHECK HARNESS CONNECTOR BETWEEN SECURITY CONTROL MODULE AND FUSE BOX.
1. Disconnect connector (B152) from fuse box.

Connector & Terminal - [(B93) No.12 - (B152) No.10]:




2. Measure resistance between security control module connector (B93) and fuse box connector (B152).

CHECK: Is the resistance less than 10 Ohms?

YES: Go to step 6B7.

NO: Repair wiring harness between security control module and fuse box.

6B7: CHECK FUSE BOX CIRCUIT.
1. Connect connector (B152) to fuse box.

Connector & Terminal - [(B152) No.10 - (F41) No.1]:




2. Measure resistance between fuse box connector (B152) and (F41).

CHECK: Is the resistance less than 10 Ohms?

YES: Go to step 6B8.

NO: Repair or replace fuse box.

Connector & Terminal - [(B162) No.10 - No.11]:




6B8: CHECK FUSE BOX CIRCUIT.
Measure resistance between fuse box connector (B 152).

CHECK: Is the resistance less than 10 Ohms?

YES: Go to step 6B9.

NO: Repair or replace fuse box.

6B9: CHECK HARNESS CONNECTOR BETWEEN FRONT CLEARANCE LIGHT AND FUSE BOX.
1. Disconnect connector from front clearance light RH and fuse box.

Connector & Terminal - [(F4) No.1 - (F41) No.1]:




2. Measure resistance between front clearance light RH connector (F4) and fuse box connector (F41).

CHECK: Is the resistance less than 10 Ohms?

YES: Go to step 6B10.

NO: Repair wiring harness between front clearance light RH and fuse box.

6B10: CHECK HARNESS CONNECTOR BETWEEN FRONT CLEARANCE LIGHT AND FUSE BOX.
1. Disconnect connector from front clearance light LH.

Connector & Terminal - [(F22) No.1 - (F41) No.1]:




2. Measure resistance between front clearance light LH connector (F22. and fuse box connector (F41).

CHECK: Is the resistance less than 10 Ohms?

YES: Go to step 6B11.

NO: Repair wiring harness between front clearance light LH and fuse box.

Connector & Terminal - [(F4) No.2 (+) - Chassis Ground (-)]:




6B11: CHECK HARNESS CONNECTOR BETWEEN FRONT CLEARANCE LIGHT AND CHASSIS GROUND.
Measure resistance between front clearance light RH connector (F4) and chassis ground.

CHECK: Is the resistance less than 10 Ohms?

YES: Go to step 6B12.

NO: Repair wiring harness between front clearance light RH and chassis ground.

Connector & Terminal - [(F22) No.2 (+) - Chassis Ground (-)]:




6B12: CHECK HARNESS CONNECTOR BETWEEN FRONT CLEARANCE LIGHT AND CHASSIS GROUND.
Measure resistance between front clearance light LH connector (F22. and chassis ground.

CHECK: Is the resistance less than 10 Ohms?

YES: Go to step 6B13.

NO: Repair wiring harness between front clearance light LH and chassis ground.

6B13: CHECK HARNESS CONNECTOR BETWEEN REAR CLEARANCE LIGHT AND FUSE BOX.
1. Disconnect connector from rear clearance light RH and fuse box.

Connector & Terminal - [(R26) No.9(Sedan), No.4(Wagon) - (B152) No.10]:




2. Measure resistance between rear clearance light RH connector (R26. and fuse box connector (B152).

CHECK: Is the resistance less than 10 Ohms?

YES: Go to step 6B14.

NO: Repair wiring harness between rear clearance light RH and fuse box.

6B14: CHECK HARNESS CONNECTOR BETWEEN REAR CLEARANCE LIGHT AND FUSE BOX.
1. Disconnect connector from rear clearance light LH.

Connector & Terminal - [(R26) No.3(Sedan), No.4(Wagon) - (B152) No.10]:




2. Measure resistance between rear clearance light LH connector (R28. and fuse box connector (B152).

CHECK: Is the resistance less than 10 Ohms?

YES: Go to step 6B15.

NO: Repair wiring harness between rear clearance light LH and fuse box.

Connector & Terminal - [(R26) No.2 (+) - Chassis Ground (-)]:




6B15: CHECK HARNESS CONNECTOR BETWEEN REAR CLEARANCE LIGHT AND CHASSIS GROUND.
Measure resistance between rear clearance light RH connector (R26. and chassis ground.

CHECK: Is the resistance less than 10 Ohms?

YES: Go to step 6B16.

NO: Repair wiring harness between rear clearance light RH and chassis ground.

Connector & Terminal - [(R28) No.2 (+) - Chassis Ground (-)]:




6B16: CHECK HARNESS CONNECTOR BETWEEN REAR CLEARANCE LIGHT AND CHASSIS GROUND.
Measure resistance between rear clearance light LH connector (R28. and chassis ground.

CHECK: Is the resistance less than 10 Ohms?

YES: Replace security control module.

NO: Repair wiring harness between rear clearance light LH and chassis ground.