Dodge ZB 2005 Service Manual page 1147

DRIVEABILITY - GAS
Symptom:
P0071-AMBIENT/BATTERY TEMP SENSOR PERFORMANCE
When Monitored and Set Condition:
P0071-AMBIENT/BATTERY TEMP SENSOR PERFORMANCE
When Monitored: With the ignition on and no Battery Temperature Sensor Open or Short
Faults present.
Set Condition: After 5 warm cycles have occurred (coolant increases at least 22°C (40°F)
to a minimum of 71°C (160°F) and the odometer mileage has increased 196.6 miles and the
Battery Temperature has changed less than 4°C (7.2°F) change in temperature. One trip
fault.
GOOD TRIP EQUAL TO ZERO
(K25) BATTERY TEMP SIGNAL CIRCUIT SHORTED TO VOLTAGE
BATTERY TEMPERATURE SENSOR
RESISTANCE IN THE (K25) BATTERY TEMP SENSOR SIGNAL CIRCUIT
RESISTANCE IN THE (K900) SENSOR GROUND CIRCUIT
(K25) BATTERY TEMP SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
PCM
TEST
1 Ignition on, engine not running.
With the DRBIII , read DTCs and record the related Freeze Frame data.
Is the Good Trip Counter equal to zero?
Yes → Go To 2
→ Refer to the INTERMITTENT CONDITION Symptom (Diagnos-
No
2 Turn the ignition off.
Disconnect the Battery Temp Sensor harness connector.
Ignition on, engine not running.
Measure the voltage on the (K25) Battery Temp Signal circuit at the Sensor
connector.
Is the voltage above 5.2 volts?
Yes → Repair the short to voltage on the (K25) Batt Temp Signal circuit.
→ Go To 3
No
POSSIBLE CAUSES
ACTION
tic Procedure).
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
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APPLICABILITY
All
All