Pinout Values and Diagnostic Parameters

WIPER / WASHER: WIPER AND WASHER SYSTEM: TERMINALS OF ECU

TERMINALS OF ECU

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





(a) Disconnect the DA, DB and DD main body ECU connectors.
(b) Measure the resistance and 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 main body ECU connectors.
(d) 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.
2. CHECK BACK DOOR ECU





If the result is not as specified, there may be a malfunction on the wire harness side.
(a) Disconnect the V2 and V3 back door ECU connectors.
(b) Measure the resistance and 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 back door ECU connectors.
(d) Measure the resistance and 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.
3. CHECK HEADLIGHT CLEANER CONTROL RELAY





(a) Disconnect the relay connector.
(b) Measure the resistance and 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 relay connector.
(d) Measure the voltage according to the value(s) in the table below.





If the result is not as specified, the relay may have a malfunction.