[Previous][Next]
Diagnosis Procedure
1.CHECK AWD CONTROL UNIT POWER SUPPLY (IGNITION POWER SUPPLY)
  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.
    +−Voltage (Approx.)
    AWD control unit
    ConnectorTerminal
    C755Ground0 V
  4. Turn the ignition switch ON.
    cautionNever start the engine.
  5. Check the voltage between AWD control unit harness connector and ground.
    +−Voltage
    AWD control unit
    ConnectorTerminal
    C755Ground9 – 16 V
Is the inspection result normal?
.
.
 
2.CHECK AWD CONTROL UNIT POWER SUPPLY CIRCUIT (IGNITION POWER SUPPLY)
  1. Turn the ignition switch OFF.
  2. Check the 10A fuse (#9).
  3. Disconnect fuse block (J/B) harness connector.
  4. Check the continuity between AWD control unit harness connector and fuse block (J/B) harness connector.
    AWD control unitFuse block (J/B)Continuity
    ConnectorTerminalConnectorTerminal
    C755B322QExisted
  5. Check the continuity between AWD control unit harness connector and the ground.
    AWD control unit—Continuity
    ConnectorTerminal
    C755GroundNot existed
Is the inspection result normal?
Perform the trouble diagnosis for ignition power supply circuit.
Repair or replace error-detected parts.
 
3.CHECK AWD CONTROL UNIT POWER SUPPLY (BATTERY POWER SUPPLY)
  1. Turn the ignition switch OFF.
  2. Check the voltage between AWD control unit harness connector and ground.
    +−Voltage
    AWD control unit
    ConnectorTerminal
    C756Ground9 – 16 V
  3. Turn the ignition switch ON.
    cautionNever start the engine.
  4. Check the voltage between AWD control unit harness connector and ground.
    +−Voltage
    AWD control unit
    ConnectorTerminal
    C756Ground9 – 16 V
Is the inspection result normal?
.
.
 
4.CHECK AWD CONTROL UNIT POWER SUPPLY (4)
  1. Turn the ignition switch OFF.
  2. Check the 15A fuse (#22).
  3. Disconnect fuse block (J/B) harness connector.
  4. Check the continuity between AWD control unit harness connector and fuse block (J/B) harness connector.
    AWD control unitFuse block (J/B)Continuity
    ConnectorTerminalConnectorTerminal
    C756B321QExisted
  5. Check the continuity between AWD control unit harness connector and the ground.
    AWD control unit—Continuity
    ConnectorTerminal
    C756GroundNot existed
Is the inspection result normal?
Perform the trouble diagnosis for power supply circuit.
Repair or replace error-detected parts.
 
5.CHECK AWD CONTROL UNIT GROUND
  1. Turn the ignition switch OFF.
  2. Check the continuity between AWD control unit harness connector and ground.
    AWD control unit—Continuity
    ConnectorTerminal
    C751GroundExisted
Is the inspection result normal?
INSPECTION END
Repair or replace error-detected parts.