Dodge Dakota (ND). Manual — part 647
P0128-THERMOSTAT RATIONALITY (CONTINUED)
10.
SENSOR GROUND CIRCUIT OPEN
Measure the resistance of the (K900) Sensor ground circuit from the
appropriate Temperature Sensor harness connector to the appropriate
terminal of special tool #8815.
Measure the resistance of the (G931) Sensor ground circuit from the
AAT Sensor harness connector to the C2 FCM harness connector.
Is the resistance below 5.0 ohms?
Yes
>> Go To 11
No
>> Repair the open in the Sensor ground circuit.
Perform POWERTRAIN VERIFICATION TEST. (Refer to 9
- ENGINE - STANDARD PROCEDURE)
9 - 126
ENGINE ELECTRICAL DIAGNOSTICS
ND
P0128-THERMOSTAT RATIONALITY (CONTINUED)
11.
SIGNAL CIRCUIT SHORTED TO GROUND
Measure the resistance between ground and the Sensor Signal circuit
in the Temperature Sensor harness connector.
Is the resistance below 100 ohms?
Yes
>> Repair the short to ground in the Signal circuit.
Perform POWERTRAIN VERIFICATION TEST. (Refer to 9
- ENGINE - STANDARD PROCEDURE)
No
>> Go To 12
ND
ENGINE ELECTRICAL DIAGNOSTICS
9 - 127
P0128-THERMOSTAT RATIONALITY (CONTINUED)
12.
SIGNAL CIRCUIT SHORTED TO (K900) SENSOR GROUND CIRCUIT OR (G931) SENSOR GROUND
CIRCUIT
Measure the resistance between the Signal circuit and the (K900)
Sensor ground circuit in the (K2) ECT Sensor harness connector.
Measure the resistance between the Signal circuit and the (G931)
Sensor ground circuit in the (G31) AAT Sensor harness connector.
Is the resistance below 100 ohms?
Yes
>> Repair the short between the Sensor ground circuit and
the Sensor Signal circuit.
Perform POWERTRAIN VERIFICATION TEST. (Refer to 9
- ENGINE - STANDARD PROCEDURE)
No
>> Go To 13
13.
PCM
NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal
push out. Repair as necessary.
Using the schematics as a guide, inspect the wire harness and connectors. Pay particular attention to all Power and
Ground circuits.
Were there any problems found?
Yes
>> Repair as necessary.
Perform POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
No
>> Replace and program the Powertrain Control Module per Service Information.
Perform POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
9 - 128
ENGINE ELECTRICAL DIAGNOSTICS
ND
P0129-BAROMETRIC PRESSURE OUT-OF-RANGE LOW
ND
ENGINE ELECTRICAL DIAGNOSTICS
9 - 129
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст