Power Supply and Ground Circuit
POWER SUPPLY AND GROUND CIRCUITDescription
Supplies power to AWD control unit.
Diagnosis Procedure
1. CHECK AWD CONTROL UNIT POWER SUPPLY (1)
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.
4. Turn the ignition switch ON.
CAUTION: Never start the engine.
5. Check the voltage between AWD control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 3.
NO >> GO TO 2.
2. CHECK AWD CONTROL UNIT POWER SUPPLY (2)
1. Turn the ignition switch OFF.
2. Check the 10A fuse (#45).
3. Disconnect IPDM E/R harness connector E5.
4. Check the harness for open or short between AWD control unit harness connector No.7 terminal and IPDM E/R harness connector No.25 terminal.
Is the inspection result normal?
YES >> Perform the trouble diagnosis for ignition power supply circuit.
NO >> Repair or replace damaged parts.
3. CHECK AWD SOLENOID POWER SUPPLY (1)
1. Turn the ignition switch OFF.
2. Disconnect AWD solenoid harness connector.
3. Check the voltage between AWD control unit harness connector and ground.
4. Turn the ignition switch ON.
CAUTION: Never start the engine.
5. Check the voltage between AWD control unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 5.
NO >> GO TO 4.
4. CHECK AWD SOLENOID POWER SUPPLY (2)
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.
Is the inspection result normal?
YES >> Perform the trouble diagnosis for power supply circuit.
NO >> Repair or replace damaged parts.
5. CHECK AWD SOLENOID GROUND
1. Turn the ignition switch OFF.
2. Check the continuity between AWD control unit harness connector and ground.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Repair or replace damaged parts.