CAUTION / NOTICE / HINT
Tech Tips
Use the following procedure listed to troubleshoot the Dynamic Torque Control 4WD/AWD System .
*: Use the GTS.
PROCEDURE
VEHICLE BROUGHT TO WORKSHOP
| Result | ||
|---|---|---|
|
| NEXT |
|
INSPECT BATTERY VOLTAGE
| Standard voltage |
|---|
| 11 to 14 V |
If the voltage is below 11 V, recharge or replace the battery before proceeding to the next step.
| Result | ||
|---|---|---|
|
| NEXT |
|
CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*
Use the GTS to check if the CAN communication system is functioning normally.
for LHD with Central Gateway ECU: Click here
for RHD with Central Gateway ECU: Click here
for LHD without Central Gateway ECU: Click here
for RHD without Central Gateway ECU: Click here
| Result | |||
|---|---|---|---|
|
| CAN DTC is output |
|
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) for LHD with Central Gateway ECU: Click here |
| CAN DTC is not output |
|
CHECK DTC AND FREEZE FRAME DATA*
Check for DTCs.
Check for freeze frame data.
Tech Tips
Record or print DTCs and freeze frame data if necessary.
Clear the DTCs and freeze frame data.
Recheck for DTCs.
| Result | |||
|---|---|---|---|
|
| DTC does reoccur |
|
GO TO STEP 7 Click here |
| DTC does not reoccur |
|
PROBLEM SYMPTOMS TABLE
Refer to Problem Symptoms Table.
| Result | |||
|---|---|---|---|
|
| Fault listed in problem symptoms table |
|
GO TO STEP 7 Click here |
| Fault not listed in problem symptoms table |
|
OVERALL ANALYSIS AND TROUBLESHOOTING*
Terminals of ECU.
Data List / Active Test.
| Result | ||
|---|---|---|
|
| NEXT |
|
REPAIR OR REPLACE
| Result | ||
|---|---|---|
|
| NEXT |
|
CONFIRM TEST
| Result | ||
|---|---|---|
|
| NEXT |
|
END |