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Engine Control System Tests W/o Codes - 1.8L: Overview Toyota Corolla VII

Testing & Diagnostics

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.

See also:
• ADJUSTMENTS

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