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DTC 14

BHE070201038W06

DTC 14 | ECT sensor system inspection
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POSSIBLE CAUSE | • ECT malfunction • A/C amplifier malfunction • PCM malfunction • Open or short circuit in wiring harnesses between A/C amplifier, ECT sensor, and PCM

Diagnostic Procedure

STEP | INSPECTION | ACTION
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1 | • Inspect the voltage at the following A/C amplifier terminal (wiring harness side). – Terminal 2M (16-pin, ECT sensor input signal) • Is the voltage normal? | Yes | Replace the A/C amplifier.
No | Inspect the ECT sensor, PCM, and the wiring harness. (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR INSPECTION.) (See PCM INSPECTION.)