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DTC 13

id070200802800

DTC 13 | Ambient temperature sensor (past)
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POSSIBLE CAUSE | • Ambient temperature sensor malfunction • Climate control unit malfunction • Open or short circuit between ambient temperature sensor and climate control unit

Diagnostic Procedure

STEP | INSPECTION | ACTION
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1 | • Inspect ambient temperature sensor. • Is it okay? | Yes | Go to the next step.
No | Replace ambient temperature sensor.
2 | • Disconnect climate control unit connector (24-pin) and ambient temperature sensor connector. • Is there open circuit between following terminals of climate control unit connector (24-pin) and ambient temperature sensor connector? - 1K-B - 1I-A | Yes | Repair wiring harness.
No | Go to the next step.
3 | • Is there short circuit to ground between terminal 1K of climate control unit connector (24-pin) and terminal B of ambient temperature sensor connector? | Yes | Repair wiring harness.
No | Connect climate control unit connector, then go to the next step.
4 | • Turn ignition switch to ON position. • Measure voltage at terminal 1K of climate control unit connector (24-pin). • Is voltage approx. 5 V? | Yes | This system is normal at present. (Erase the past failure from memory.)
No | Replace climate control unit.