FixVault
Home
›
Lexus
›
1994
›
SC 400
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Controls - Tests W/O Codes
›
Symptoms
›
Engine Stall
›
Engine Stall During A/C Operation
Engine Stall During A/C Operation
Check Idle Air Control (IAC) valve circuit.
Check A/C signal circuit.
Check ECM ground circuits.