Diagnosis Procedure

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).
   • Lane camera unit
   • Harness connector R13
   • Harness connector M75
   • Chassis control module

Is the inspection result normal?

YES 

GO TO STEP 2  .

NO 

Repair the terminal and connector.

1. Disconnect the connector of chassis control module.
2. Check the continuity between the chassis control module harness connector terminals.

   Chassis control module harness connector			Continuity
   Connector No.	Terminal No.
   E22	19	11	Existed
   	7	8	Existed

Is the inspection result normal?

YES 

GO TO STEP 3  .

NO 

Check the harness and repair or replace (if shield line is open) the root cause (chassis communication circuit side).

1. Connect the connector of chassis control module.
2. Disconnect the connector of lane camera unit.
3. Check the resistance between the lane camera unit harness connector terminals.

   Lane camera unit harness connector			Resistance (Ω)
   Connector No.	Terminal No.
   R13	4	8	Approx. 54 - 66

Is the measurement value within the specification?

YES 

GO TO STEP 4  .

NO 

Repair the lane camera unit branch line.

Check the power supply and the ground circuit of the lane camera unit. Refer to DIAGNOSIS PROCEDURE .

Is the inspection result normal?

YES (Present error) 

Replace the lane camera unit. Refer to REMOVAL AND INSTALLATION .

YES (Past error) 

Error was detected in the lane camera unit branch line.

NO 

Repair the power supply and the ground circuit.