Diagnosis Procedure

Diagnosis Procedure

1. CHECK FUSE

   1. Check that the following fuses are not blown:

      Terminal No.	Signal name	Fuse No.	Capacity
      1	Battery power supply	35	10 A
      10	Ignition signal	48	10 A

   Are the fuses blown?

   YES >>

   Replace the blown fuse after repairing the affected circuit.

   NO >>

   GO TO 2.

2. CHECK POWER SUPPLY CIRCUIT

   1. 1. Ignition switch OFF.

      2. Disconnect TCU connector .

      3. Check voltage between TCU connector and ground.

         (+)		(-)	Condition	Voltage (Approx.)
         TCU
         Connector	Terminal
         M160	1	Ground	Ignition switch: OFF	Battery voltage
         	10		Ignition switch: ON

   Is the inspection result normal?

   YES >>

   GO TO 3.

   NO >>

   Repair or replace harness or connectors.

3. CHECK GROUND CIRCUIT

   1. 1. Ignition switch OFF.

      2. Check continuity between TCU connector and ground.

         TCU		—	Continuity
         Connector	Terminal
         M160	28	Ground	Yes
         	29

   Is the inspection result normal?

   YES>>

   Inspection End.

   NO>>

   Repair or replace harness or connectors.