B2250

ENGINE HOOD / DOOR: BACK DOOR CLOSER SYSTEM: B2250: Back Door Closer Operation Malfunction
B2250 - Back Door Closer Operation Malfunction

DESCRIPTION

The power back door drive unit (power back door ECU) inputs signals from the full-latch switch, sector switch and back door courtesy light switch, which are built into the back door lock. Based on these switch signals, the latch position of the back door lock is determined.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT BACK DOOR LOCK (SECTOR SWITCH)





(a) Remove the back door lock. Removal

(b) Measure the resistance of the switch.

Standard resistance:

Sector switch






NG -- REPLACE BACK DOOR LOCK Removal
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK - POWER BACK DOOR ECU AND BODY GROUND)

(a) Disconnect the T4 door lock connector.





(b) Disconnect the O15 ECU connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE POWER BACK DOOR DRIVE UNIT (POWER BACK DOOR ECU) Removal