Pinout Values and Diagnostic Parameters

HORN: HORN SYSTEM: TERMINALS OF ECU

TERMINALS OF ECU

1. CHECK FRONT CONTROLLER





(a) Disconnect the A50 and A52 front controller 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 A50 and A52 front controller connectors.
(d) Measure the voltage according to the value(s) in the table below.





- If the result is not as specified, the front controller may have a malfunction.

2. CHECK STEERING PAD ECU (STEERING PAD SWITCH)





(a) Disconnect the z7 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.