Auxiliary Air Control (AAC) Valve Circuit

IAC Valve-AAC Valve Circuit Diagnostic Chart:

IAC Valve-AAC Valve Circuit Diagnostic Chart:

DIAGNOSTIC CHART

IAC Valve-AAC Valve Circuit:

CIRCUIT DIAGRAM

Harness Layout:

HARNESS LAYOUT







Alternate Method For Providing Idle Air Control Valve (IACV-AAC) Full Closed Signal
1. Pull out check connector for (ECCS) checker box.
2. Connect check connector terminals No. 2 and 3 with a suitable jumper wire.
3. To open IACV-AAC valve again, simply disconnect jumper wire.