POWER SUPPLY AND GROUND CIRCUIT

1. Turn the ignition switch OFF.
2. Disconnect AWD control unit harness connector.
3. Check the voltage between AWD control unit harness connector and ground.
   

   AWD control unit		—	Voltage (Approx.)
   Connector	Terminal
   B213	7	Ground	0 V

   
   
4. Turn the ignition switch ON.
   ■ CAUTION ■
   Never start the engine.
   
5. Check the voltage between AWD control unit harness connector and ground.
   

   AWD control unit		—	Voltage
   Connector	Terminal
   B213	7	Ground	Battery voltage

   
   

YES>>GO TO 3.

NO>>GO TO 2.

1. Turn the ignition switch OFF.
2. Check the 10A fuse (#45).
3. Disconnect IPDM E/R harness connector.
4. Check the continuity between AWD control unit harness connector and IPDM E/R harness connector.
   

   AWD control unit		IPDM E/R		Continuity
   Connector	Terminal	Connector	Terminal
   B213	7	E5	25	Existed

   
   

YES>>Perform the trouble diagnosis for ignition power supply circuit. Refer to Wiring Diagram - IGNITION POWER SUPPLY -.

NO>>Repair or replace error-detected parts.

1. Turn the ignition switch OFF.
2. Disconnect AWD solenoid harness connector.
3. Check the voltage between AWD control unit harness connector and ground.
   

   AWD control unit		—	Voltage
   Connector	Terminal
   B213	9	Ground	Battery voltage

   
   
4. Turn the ignition switch ON.
   ■ CAUTION ■
   Never start the engine.
   
5. Check the voltage between AWD control unit harness connector and ground.
   

   AWD control unit		—	Voltage
   Connector	Terminal
   B213	9	Ground	Battery voltage

   
   

YES>>GO TO 5.

NO>>GO TO 4.

1. Check the 10A fuse (#33).
2. Check the harness for open or short between AWD control unit harness connector No.9 terminal and fuse box.

YES>>Perform the trouble diagnosis for power supply circuit. Refer to Wiring Diagram - BATTERY POWER SUPPLY -.

NO>>Repair or replace error-detected parts.

1. Turn the ignition switch OFF.
2. Check the continuity between AWD control unit harness connector and ground.
   

   AWD control unit		—	Continuity
   Connector	Terminal
   B213	10	Ground	Existed
   	11

   
   

YES>>INSPECTION END

NO>>Repair or replace error-detected parts.