Pinout Values and Diagnostic Parameters

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

1. CHECK FRONT LIGHT ECU (FRONT CONTROLLER)





(a) Disconnect the A50 and A52 ECU connectors.

(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 A50 and A52 ECU connectors.

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





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

2. CHECK WINDSHIELD WIPER SWITCH





(a) Disconnect the L25 switch connectors.

(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.

3. CHECK MAIN BODY ECU





(a) Disconnect the L11, L13, DF and DH main body ECU connectors.

(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.

4. CHECK MAP LIGHT





(a) Disconnect the X4 and X6 map light connectors.

(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.

5. CHECK RAIN SENSOR





(a) Disconnect the X8 rein sensor connectors.

(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.

6. CHECK HEADLIGHT CLEANER CONTROL RELAY





(a) Disconnect the A6 relay connectors.

(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 A6 relay connectors.

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





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