Contents Wiring diagrams Section: Engine Controls - System & Component Testing - 4-CYLINDER All sections

A/C EVAPORATOR TEMPERATURE SENSOR CIRCUIT Toyota MR2 W30

A/C EVAPORATOR TEMPERATURE SENSOR CIRCUIT

Note. The A/C Evaporator Temperature Sensor is also referred to as a Thermistor.

For A/C evaporator temperature sensor circuit inspection (Scheme 353)- (Scheme 355).

Scheme 353

Scheme 353: Camry

Scheme 354

Scheme 354

Scheme 355

Scheme 355
CAUTIONIf Engine Control Module (ECM) replacement is instructed in the following testing, always ensure ECM wiring harness electrical connector and ground circuit are okay. If either are defective, repair and repeat testing to confirm ECM malfunction.

Note. Before replacing ECM, check ECM connectors and ground circuits. See ENGINE CONTROL MODULE POWER & GROUND CIRCUITS .

For A/C evaporator temperature sensor circuit inspection (Scheme 356)- (Scheme 358).

Scheme 356

Scheme 356

Scheme 357

Scheme 357

Scheme 358

Scheme 358

For A/C evaporator temperature sensor inspection (Scheme 359)

Scheme 359

Scheme 359: Celica