Evap Temp Sensor Shorted Low (Active) - Mercedes-Benz Sprinter 2003 Manual

HEATING & A/C
Symptom:

EVAP TEMP SENSOR SHORTED LOW (ACTIVE)

EVAPORATOR TEMPERATURE SENSOR
EVAP TEMP SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
EVAP TEMP SENSOR SIGNAL CIRCUIT SHORTED TO GROUND CIRCUIT
EVAP TEMP SENSOR SIGNAL CIRCUIT SHORTED TO SENSOR GROUND CIRCUIT
AUTOMATIC TEMPERATURE CONTROL (ATC)
TEST
1 Turn the ignition off.
Disconnect the Evaporator Temperature Sensor harness connector.
Turn the ignition on.
With the DRBIII , record and erase Automatic Temperature Control DTCs.
Turn the ignition off, wait 5 seconds, then turn the ignition on.
With the DRBIII , read the Automatic Temperature Control DTCs.
Does the DRBIII display: EVAP TEMP SENSOR HIGH OR OPEN?
Yes → Replace the Evaporator Temperature Sensor in accordance with
→ Go To 2
No
2 Turn the ignition off.
Disconnect the Automatic Temperature Control (ATC) C1 harness connector.
Measure the resistance between ground and the Evaporator Temperature Sensor
Signal circuit.
Is the resistance below 10k ohms?
Yes → Repair the Evaporator Temperature Sensor Signal circuit for a
→ Go To 3
No
3 Turn the ignition off.
Disconnect the Automatic Temperature Control (ATC) C1 harness connector.
Measure the resistance between the Evaporator Temperature Sensor Signal circuit
and the Ground circuit.
Is the resistance below 10k ohms?
Yes → Repair the Evaporator Temperature Sensor Signal circuit for a
→ Go To 4
No
POSSIBLE CAUSES
ACTION
the Service Information.
Perform BODY VERIFICATION TEST - VER 1.
short to ground.
Perform BODY VERIFICATION TEST - VER 1.
short to the Ground circuit.
Perform BODY VERIFICATION TEST - VER 1.
156
APPLICABILITY
All
All
All