DTC 14
id070200802900
DTC 14 |
ECT sensor system inspection |
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POSSIBLE CAUSE
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• 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
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Diagnostic Procedure
STEP |
INSPECTION |
ACTION |
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1
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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?
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Yes
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Perform troubleshooting according to the corresponding DTC inspection.
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No
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Go to the next step.
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2
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INSPECT ECT SENSOR SIGNAL CIRCUIT
• Inspect the voltage at the following A/C amplifier terminal (wiring harness side).
• Is the voltage normal?
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Yes
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Replace the A/C amplifier.
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No
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Repair the wiring harness.
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