Diagnostic Test

With CONSULT

1. Select "CAN Diagnosis Support Monitor" of "CHASSIS CONTROL".
2. Check malfunction history between each control unit connected to chassis control module.

Check the result of "PAST"?

All items are "OK" 

Refer to INTERMITTENT INCIDENT .

"TRANSMIT DIAG" is other than "OK" 

GO TO STEP 2  .

"ENGINE" other than "OK" 

GO TO STEP 3  .

1. Turn the ignition switch OFF.
2. Disconnect chassis control module harness connector.
3. Check the chassis control module harness connector terminals No. 3 and 4 for damage or loose connection.

Is the inspection result normal?

YES 

GO TO STEP 5  .

NO 

Recheck terminals for damage or loose connection. Refer to PRECAUTIONS FOR HARNESS REPAIR , and GO TO STEP 5  .

1. Turn the ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check ECM harness connector terminals (CAN communication line) or damage or loose connection.

Is the inspection result normal?

YES 

GO TO STEP 4  .

NO 

Recheck terminals for damage or loose connection. Refer to PRECAUTIONS FOR HARNESS REPAIR , and GO TO STEP 4  .

With CONSULT

1. Connect ECM harness connector.
2. Erase self-diagnosis result for "ENGINE".
3. Turn the ignition switch OFF and wait for 10 seconds or more.
4. Turn the ignition switch ON.
5. Perform self-diagnosis for "ENGINE".

Is DTC detected?

YES 

Check the DTC. Refer to DTC INDEX .

NO 

GO TO STEP 5  .

With CONSULT

1. Connect chassis control module harness connector.
2. Erase self-diagnosis result for "CHASSIS CONTROL".
3. Turn the ignition switch OFF and wait for 10 seconds or more.
4. Turn the ignition switch ON.
5. Perform "All DTC Reading".

Is DTC "U1000 - 00", "U1A4E - 00" or other DTC detected?

YES ("U1000 - 00") 

Refer to TROUBLE DIAGNOSIS FLOW CHART .

YES ("U1A4E - 00") 

Replace the chassis control module. Refer to REMOVAL AND INSTALLATION .

YES (other DTC) 

Check the DTC.

NO 

INSPECTION END