Pinout Values and Diagnostic Parameters

DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM: TERMINALS OF ECU

1. CHECK MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)

(a) Disconnect the DA, DB, DC, DD, H1, H3 and H4 main body ECU connectors.

(b) Measure the resistance and voltage between each terminal of the wire harness side connectors and body ground.

HINT
* *1: w/ Rear Power Seat
* *2: w/o Rear Power Seat
(c) If the result is not as specified, there may be a malfunction on the wire harness side.

(d) Reconnect the DA, DB, DC, DD, H1, H3 and H4 main body ECU connectors.

(e) Measure the voltage between each terminal of the wire harness side connectors and body ground.

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

HINT
*1: When operating the answer back function.

2. CHECK BACK DOOR ECU

(a) Disconnect the V2 and V3 back door ECU connectors.

(b) Measure the resistance and voltage between each terminal of the wire harness side connectors and body ground.