Pinout Values and Diagnostic Parameters

LIGHTING: LIGHTING SYSTEM: TERMINALS OF ECU

TERMINALS OF ECU

1. CHECK MAIN BODY ECU









(a) Disconnect the 1A, 1B, 1E, and 1H main body ECU (driver side junction block) connectors.
(b) Measure the voltages and resistances 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 (driver side junction block) connectors.
(d) Measure the voltages of the wire harness side connectors.

Standard voltage:





HINT: *: w/ daytime running light system
If the result is not as specified, there may be a malfunction in the wire harness.