Engine Controls - Tests W/o Codes: Overview Toyota Paseo L40

Engine Stalls During A/C Operation

1. Check A/C signal circuit to Engine Control Module (ECM).
2. Check idle air control valve (if equipped) and wiring.
3. Check Engine Control Module (ECM) and wiring.

Engine Stalls When Shifting From Neutral Into Drive (A/T)

1. Check idle air control valve (if equipped) and wiring.
2. Check park/neutral switch signal to Engine Control Module (ECM).