A/C AUTO AMP.
Reference Value
VALUES ON THE DIAGNOSIS TOOL
CONSULT MONITOR ITEM

A/C AUTO AMP. HARNESS CONNECTOR TERMINAL LAYOUT

TERMINALS AND REFERENCE VALUES FOR A/C AUTO AMP.


DTC Inspection Priority Chart
If some DTCs are displayed at the same time, perform inspections one by one based on the following priority chart.

DTC Index

*: Perform self-diagnosis under direct sunlight. When performing indoors, aim a light (more than 60 W) at sunload sensor, otherwise selfdiagnosisreports an error even though the sunload sensor is functioning normally.
Power supply and ground circuit
Wiring diagramFog light switch
To turn the fog lights on, turn the headlight switch
to the position, then turn the fog
light
switch to the position.
To turn the fog lights on with the headlight switch
in the AUTO position, the headlights must be on,
then turn the fog light switch to the
position.
To turn the f ...
P1778 step motor
Description
The step motor changes the step by turning 4
coils ON/OFF according to the signal from TCM. As a result,
the flow of line pressure to primary pulley is changed and pulley ratio is
controlled.
This diagnosis item is detected when the
electrical syste ...
Rear window defogger system
System Diagram
System Description
Operation Description
When rear window defogger switch is turned ON while ignition
switch is ON, the A/C auto amp. (rear window
defogger switch) transmits rear window defogger switch signal to BCM.
BCM turns rear window defogger relay ON when rear ...