FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Pinout Values and Diagnostic Parameters

TERMINALS OF ECU










CHECK AIR CONDITIONING AMPLIFIER

HINT: Check from the rear of the connector while it is connected to the A/C amplifier.

Oscilloscope Waveform:







a. Waveform 1:

Oscilloscope Waveform:







b. Waveform 2:

HINT: When the blower level is increased, the duty ratio changes accordingly.