How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

Use these procedures to troubleshoot the active torque control 4WD system.
*: Use Techstream.

VEHICLE BROUGHT TO WORKSHOP
INSPECT BATTERY VOLTAGE
Standard voltage: 11 to 14 V

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

CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

Use the Techstream to check if the CAN communication system is functioning normally.

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 INDICATOR LIGHT

CHECK DTC*

Check for DTCs (see DTC CHECK / CLEAR ).
Clear the DTCs.

Recheck for DTCs.

Result

RESULT REFERENCE

Result	Proceed to
DTC dose not reoccur	A
DTC dose reoccur	B

B: GO TO STEP 8

A: Go to next step

PROBLEM SYMPTOMS TABLE

Result

RESULT REFERENCE

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

B: Go to step 8

A: Go to next step

OVERALL ANALYSIS AND TROUBLESHOOTING*
1. See TERMINALS OF ECU .
2. See DATA LIST / ACTIVE TEST .
REPAIR OR REPLACE
CONFIRMATION TEST
END