DTC 14

id070200802900

DTC 14	ECT sensor system inspection
POSSIBLE CAUSE	•  ECT sensor malfunction •  PCM malfunction •  Open or short circuit in wiring harnesses between ECT sensor connector and PCM connector •  A/C amplifier malfunction •  Open circuit in wiring harness between A/C amplifier connector terminal 2O and PCM connector terminal 1AN •  Short to ground in wiring harness between A/C amplifier connector terminal 2O and PCM connector terminal 1AN

Diagnostic Procedure

STEP	INSPECTION		ACTION
1	VERIFY THAT THE DTC OF THE PCM •  Connect the M-MDS to the DLC-2. •  Verify that the DTC of the PCM. (See PCM INSPECTION [13B-MSP].) •  Is displayed P0117 or P0118?	Yes	Perform troubleshooting according to the corresponding DTC inspection.
		No	Go to the next step.
2	INSPECT ECT SENSOR SIGNAL CIRCUIT •  Inspect the voltage at the following A/C amplifier terminal (wiring harness side). ―  Terminal 2O (16-pin, ECT sensor input signal) •  Is the voltage normal? (See A/C AMPLIFIER INSPECTION [FULL-AUTO AIR CONDITIONER].)	Yes	Replace the A/C amplifier.
		No	Repair the wiring harness.