Power Door Lock Control System

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

1. CHECK MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK)





(a) Disconnect the E60, E61, DO, DK, DM, DD, DA, DF, DJ, and E58 J/B and ECU connectors.

(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 J/B and ECU connectors.

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





(f) If the result is not as specified, the main body ECU (instrument panel J/B) may have a malfunction.