Operation CHARM: Car repair manuals for everyone.

Pinout Values and Diagnostic Parameters





MIRROR (EXT): POWER MIRROR CONTROL SYSTEM: TERMINALS OF ECU

1. CHECK OUTER MIRROR CONTROL ECU ASSEMBLY LH

(a) Disconnect the K8 ECU connector.





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





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

(c) Reconnect the K8 ECU connector.

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





* *1: w/ Retract Mirror

* *2: w/ EC Mirror

2. CHECK OUTER MIRROR CONTROL ECU ASSEMBLY RH

(a) Disconnect the J8 ECU connector.





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





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

(c) Reconnect the J8 ECU connector.

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





* *1: w/ Retract Mirror

* *2: w/ EC Mirror

3. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)





(a) Remove the main body ECU Removal.

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





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

(c) Install the main body ECU Installation.

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





* *: w/ Retract Mirror

(e) Using an oscilloscope, check waveform 1.





Waveform 1 (Reference)





(f) Using an oscilloscope, check waveform 2.





Waveform 2 (Reference)