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Home >> Toyota >> 2000 >> Echo L4-1.5L (1NZ-FE) >> Repair and Diagnosis >> Heating and Air Conditioning >> Relays and Modules - HVAC >> Control Module HVAC >> Testing and Inspection
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Control Module HVAC: Testing and Inspection

1. REMOVE GLOVE COMPARTMENT DOOR.

2. INSPECT A/C AMPLIFIER (Engine (and ECT) ECU) CIRCUIT.
Inspect the wire harness side connector of engine (and ECT) ECU from the back side, as shown in the chart.




If the circuit is not as specified, inspect the circuits connected to other parts.