TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
NOTE: Check connectors - Clean/repair as necessary.
Disconnect the Automatic Temperature Control (ATC) C1 harness connector.
Disconnect the Evaporator Temperature Sensor harness connector.
Measure the resistance of the Evaporator Temperature Sensor Signal circuit between
the Automatic Temperature Control (ATC) C1 harness connector and the Evaporator
Temperature Sensor harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 5
No
→ Repair the Evaporator Temperature Sensor Signal circuit for an
open.
Perform BODY VERIFICATION TEST - VER 1.
5
Turn the ignition off.
NOTE: Check connectors - Clean/repair as necessary.
Disconnect the Automatic Temperature Control (ATC) C1 harness connector.
Disconnect the Evaporator Temperature Sensor harness connector.
Measure the resistance of the Sensor Ground circuit between the Automatic
Temperature Control (ATC) C1 harness connector and the Evaporator Temperature
Sensor harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Replace the Evaporator Temperature Sensor in accordance with
the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Repair the Sensor Ground circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
157
HEATING & A/C
EVAP TEMP SENSOR HIGH OR OPEN (ACTIVE) —
Continued