Operation CHARM: Car repair manuals for everyone.
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Idle-Up Signal Control Inspection

Idle-up Signal Control Inspection






Step 1
A/C amplifier terminal voltage inspection
1 . Turn the ignition switch ON and press the AUTO switch ON.
2. Set the blower switch at manual 1st speed.




3. Measure voltage at terminal wire (Y) the A/C amplifier connector.





Step 2
A/C amplifier terminal voltage inspection
1. Verify that the ignition switch is ON and that the AUTO switch is ON.
2. Set the blower switch at manual 4th speed.





3. Measure the voltage at terminal wire (Y) of the A/C amplifier connector.