Diagnosis Procedure
- CHECK AWD LOCK SWITCH
Check AWD lock switch. Refer to "COMPONENT INSPECTION ".
Is the inspection result normal?
YES: GO TO 2.
NO: Replace AWD lock switch.
- CHECK AWD LOCK SWITCH CIRCUIT (1)
Check the continuity between AWD lock switch harness connector and ground.
CONTINUITY CHARTAWD lock switch - Continuity Connector Terminal M8 3 Ground Existed Is the inspection result normal?
YES: GO TO 3.
NO: Repair or replace damaged parts.
- CHECK AWD LOCK SWITCH CIRCUIT (2)
- Disconnect AWD control unit harness connector.
- Check the continuity between AWD control unit harness connector and AWD lock switch harness connector.CONTINUITY CHART
AWD control unit AWD lock switch Continuity Connector Terminal Connector Terminal M69 14 M8 1 Existed - Check the continuity between AWD control unit harness connector and ground.
CONTINUITY CHARTAWD control unit - Continuity Connector Terminal M69 14 Ground Not existed Is the inspection result normal?
YES: GO TO 4.
NO: Repair or replace damaged parts.
- CHECK AWD CONTROL UNIT OUTPUT SIGNAL
- Connect AWD control unit harness connector.
- Turn the ignition switch ON.CAUTION: Never start the engine.
- Check the voltage between AWD lock switch harness connector and ground.
VOLTAGE SPECIFICATIONAWD lock switch - Voltage Connector Terminal M8 1 Ground Battery voltage Is the inspection result normal?
YES: Check each harness connector pin terminal for disconnection.
NO: Replace AWD control unit. Refer to "EXPLODED VIEW ".