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).
   • Automatic back door control module
   • CAN gateway (Models with automatic drive positioner)

   Is the inspection result normal? 

   YES-1: Models with automatic drive positioner: GO TO 2.

   YES-2: Models without automatic drive positioner: GO TO  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.
   M5	4	6	Existed
   	10	12	Existed

   Is the inspection result normal? 

   YES: GO TO 3.

   NO: Check the harness and repair the root cause (CAN communication circuit 2 side).

1. Connect the connector of CAN gateway. (Models with automatic drive positioner)
2. Disconnect the connector of automatic back door control module.
3. Check the resistance between the automatic back door control module harness connector terminals.

   Automatic back door control module harness connector			Resistance (Ω)
   Connector No.	Terminal No.
   B55	24	12	Approx. 54 - 66

   Is the measurement value within the specification? 

   YES: GO TO 4.

   NO: Replace the body harness.

Check the power supply and the ground circuit of the automatic back door control module. Refer to "AUTOMATIC BACK DOOR CONTROL UNIT: DIAGNOSIS PROCEDURE ".

Is the inspection result normal? 

YES (Present error): Replace the automatic back door control module. Refer to "REMOVAL AND INSTALLATION ".

YES (Past error): Error was detected in the automatic back door control module branch line.

NO: Repair the power supply and the ground circuit.