Pinout Values and Diagnostic Parameters

LIGHTING: LIGHTING SYSTEM: TERMINALS OF ECU

1. CHECK RUNNING LIGHT RELAY ASSEMBLY





(a) Disconnect the C52 relay connector.

(b) Measure the voltage between the specified terminals of the wire harness side connectors and body ground.





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

(c) Measure the resistance between the specified terminals of the wire harness side connectors and body ground.





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

(d) Reconnect the C52 relay connector.

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





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

(1) Waveform









2. CHECK MAIN BODY ECU









(a) Disconnect the 2A, 2E and C41 main body ECU (vehicle rear side) connectors.

(b) Measure the voltages of the wire harness side connectors.





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

(c) Reconnect the main body ECU (vehicle rear side) connectors.

(d) Measure the voltages of the wire harness side connectors.





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