DTC Troubleshooting: S

DTC indicator S: A Short in the A/C Pressure Sensor Circuit Disconnect the A/C pressure sensor 3P connector. Disconnect climate control unit connector B (16P). Check for continuity between the No. 2 terminal of the A/C pressure sensor 3P connector and body ground. Is there continuity?
YES | - | Repair short to body ground in the wire between the climate control unit and the A/C pressure sensor.■
NO | - | Go to Step 4 .
Reconnect climate control unit connector B (16P). Turn the ignition switch ON (II). |

Measure the voltage between the No. 1 and No. 3 terminals of the A/C pressure sensor 3P connector.There should be 5 V. Is the voltage as specification?
YES | - | Replace the A/C pressure sensor.■
NO | - | Go to Step 7 .
Turn the ignition switch OFF. Disconnect climate control unit connector A (22P). |

Check for continuity between the No. 20 terminal of climate control unit connector A (22P) and body ground. Is there continuity?
YES | - | Repair short to body ground in the wire between the climate control unit and the A/C pressure sensor.■
NO | - | Substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original climate control unit .■