Operation CHARM: Car repair manuals for everyone.

Power Back Door System





DOOR / HATCH: POWER BACK DOOR SYSTEM: TERMINALS OF ECU

1. CHECK POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT)





(a) Disconnect the L20 ECU connector.

(b) Measure the voltage and resistance according to the value(s) in the table below.





(c) If the result is not as specified, there may be a malfunction on the wire harness side.

(d) Reconnect the L20 ECU connector.

(e) Initialize the power back door system Initialization.

(f) Measure the voltage according to the value(s) in the table below.





(g) If the result is not as specified, the ECU may have a malfunction.

2. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)





(a) Disconnect the D49 and 2F connectors.

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





(c) If the result is not as specified, there may be a malfunction on the wire harness side.

(d) Reconnect the D49 and 2F connectors.

(e) Measure the voltage according to the value(s) in the table below.





(f) If the result is not as specified, the ECU may have a malfunction.