Inspection Procedure
WARNING: This page is about a different car, the 2007 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
Check the condition of each related circuit connector before troubleshooting (see ELECTRONIC CIRCUIT INSPECTION PROCEDURE ).
- CHECK CAN COMMUNICATION SYSTEM
- Check if the CAN communication system DTC is output.
Result
RESULTResult Proceed to DTC is not output A DTC is output B HINT:
When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.
B: REPAIR CAN COMMUNICATION SYSTEM
A: GO TO NEXT STEP.
- Check if the CAN communication system DTC is output.
- PERFORM ACTIVE TEST BY INTELLIGENT TESTER (4WD INDICATOR LIGHT)
- Using the intelligent tester's (with CAN VIM) ACTIVE TEST, generate a control command, and then check that the 4WD indicator light operates.
4WD control ECU
ITEM AND TEST DETAILSItem Test Details Diagnostic Note 4WD Indicator light 4WD indicator light ON / OFF Observe combination meter OK: The 4WD indicator light turns ON and OFF.
OK: REPLACE 4WD CONTROL ECU
NG: GO TO NEXT STEP.
- Using the intelligent tester's (with CAN VIM) ACTIVE TEST, generate a control command, and then check that the 4WD indicator light operates.
- CHECK COMBINATION METER
- Inspect the combination meter (see DIAGNOSIS SYSTEM
).
Result: The combination meter assembly system is normal.
NG: REPLACE COMBINATION METER
OK: REPLACE 4WD CONTROL ECU
- Inspect the combination meter (see DIAGNOSIS SYSTEM
).