Pinout Values and Diagnostic Parameters
LIGHTING: LIGHTING SYSTEM: TERMINALS OF ECU
1. CHECK MAIN BODY ECU
(a) Disconnect the 4B, 4D and 4E main body ECU (vehicle rear side) connectors.
(b) Measure the resistance and voltages of the wire harness side connectors.
Standard:
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.
Standard voltage:
If the result is not as specified, there may be a malfunction on the wire harness side.