How To Proceed With Troubleshooting

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:

Use these procedures to troubleshoot the air conditioning system.
*: Use the intelligent tester.

VEHICLE BROUGHT TO WORKSHOP
CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK
INSPECT BATTERY VOLTAGE
Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

CHECK CAN COMMUNICATION SYSTEM*

Use the intelligent tester to check if the CAN communication system is functioning.

Result

RESULT REFERENCE

Result	Proceed to
CAN DTC is not output	A
CAN DTC is output	B

B: Go to CAN COMMUNICATION SYSTEM

A: GO TO NEXT STEP.

CHECK DTC OR CHECK SENSOR CHECK CODE THROUGH PANEL DIAGNOSIS*

Check DTCs or sensor check codes.
1. Write down the DTCs or sensor check codes.
Clear the DTCs or sensor check codes.

Check whether the DTCs or sensor check codes recur.

Reproduce the problem symptoms in accordance with the DTCs or sensor check codes that were written down, and check whether the DTCs or sensor check codes recur.

HINT:

Refer to DIAGNOSTIC TROUBLE CODE CHART when any DTCs or sensor check codes are output.

Result

RESULT REFERENCE

Result	Proceed to
DTC or sensor check code is not output	A
DTC or sensor check code is output	B

B: Go to step 8

A: GO TO NEXT STEP.

REFER TO PROBLEM SYMPTOMS TABLE .

Result

RESULT REFERENCE

Result	Proceed to
Fault is not listed in problem symptoms table	A
Fault is listed in problem symptoms table	B

B: Go to step 8

A: GO TO NEXT STEP.

OVERALL ANALYSIS AND TROUBLESHOOTING*
1. DATA LIST / ACTIVE TEST
2. Panel diagnosis (indicator check) (see CHECK MODE PROCEDURE )
3. Panel diagnosis (sensor check) (see CHECK MODE PROCEDURE )
4. Panel diagnosis (actuator check) (see CHECK MODE PROCEDURE )
5. TERMINALS OF ECU
ADJUST, REPAIR OR REPLACE
CONFIRMATION TEST
NEXT: END