Diagnosis Procedure

Check DTC of the CAN gateway with CONSULT.

Is U1010 or B2600 indicated?

YES 

Perform a diagnosis of the indicated DTC.

NO 

GO TO STEP 2  .

1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).
   • CAN gateway
   • Harness connector M133 and fuse block (J/B) side connector

Is the inspection result normal?

YES 

GO TO STEP 3  .

NO 

Repair the terminal and connector.

1. Disconnect the connector of CAN gateway.
2. Check the continuity between the CAN gateway harness connector terminals.

   CAN gateway harness connector			Continuity
   Connector No.	Terminal No.
   M24	4	6	Existed
   	10	12	Existed

Is the inspection result normal?

YES 

GO TO STEP 4  .

NO 

GO TO STEP 5  .

Check the power supply and the ground circuit of the CAN gateway. Refer to DIAGNOSIS PROCEDURE .

Is the inspection result normal?

YES (Present error) 

Replace the CAN gateway. Refer to REMOVAL AND INSTALLATION .

YES (Past error) 

Error was detected in the CAN gateway branch line (CAN communication circuit 2 side).

NO 

Repair the power supply and the ground circuit.

1. Disconnect the harness connector M133.
2. Check the continuity between the CAN gateway harness connector and the harness connector.

   CAN gateway harness connector		Harness connector		Continuity
   Connector No.	Terminal No.	Connector No.	Terminal No.
   M24	4	M133	13C	Existed
   	10		2C	Existed

Is the inspection result normal?

YES 

Replace the fuse block (J/B).

NO 

Repair the harness between the CAN gateway harness connector M24 and the harness connector M133.