Dodge Caliber. Manual — part 881
17.
(K122) TP SIGNAL 2 CIRCUIT SHORTED TO VOLTAGE
Turn the ignition off.
Disconnect the Powertrain Control Module (PCM) connector.
Turn the ignition on.
Measure the voltage of the (K122) TP Signal 2 circuit in the Throttle
Body harness connector.
Is there any voltage present?
Yes
>> Repair the (K122) TP Signal 2 circuit for a short to voltage.
Perform the PCM Verification Test Ver. 1 (Refer to 9 -
ENGINE - DIAGNOSIS AND TESTING).
No
>> Go to 18
18.
(K122) TP SIGNAL 2 CIRCUIT SHORTED TO GROUND
Turn the ignition off.
Measure the resistance between ground and the (K122) TP Signal 2 cir-
cuit in the Throttle Body harness connector.
Is the resistance above 100 ohms?
Yes
>> Go to 19
No
>> Repair the (K122) TP Signal 2 circuit for a short to ground.
Perform the PCM Verification Test Ver. 1 (Refer to 9 -
ENGINE - DIAGNOSIS AND TESTING).
19.
(K122) TP SIGNAL 2 CIRCUIT SHORTED TO (K922) TP SENSOR GROUND CIRCUIT
Measure the resistance between the (K122) TP Signal 2 circuit and the
(K922) TP Sensor Ground circuit in the Throttle Body harness connec-
tor.
Is the resistance above 100 ohms?
Yes
>> Go to 20
No
>> Repair the (K122) TP Signal 2 circuit for a short to the
(K922) TP Sensor Ground circuit.
Perform the PCM Verification Test Ver. 1 (Refer to 9 -
ENGINE - DIAGNOSIS AND TESTING).
PM
ENGINE ELECTRICAL DIAGNOSTICS - GPEC
9 - 811
20.
(K122) TP SIGNAL 2 CIRCUIT OPEN OR HIGH RESISTANCE
Measure the resistance of the (K122) TP Signal 2 circuit between the
Throttle Body harness connector and the Powertrain Control Module
(PCM) harness connector.
Is the resistance below 5.0 ohms?
Yes
>> Go to 22
No
>> Repair the (K122) TP Signal 2 circuit for an open circuit or
high resistance.
Perform the PCM Verification Test Ver. 1 (Refer to 9 -
ENGINE - DIAGNOSIS AND TESTING).
21.
(K922) TP SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE
Turn the ignition off.
Disconnect the Powertrain Control Module (PCM) connector.
Measure the resistance of the (K922) TP Sensor Ground circuit
between the Throttle Body harness connector and the Powertrain Con-
trol Module (PCM) harness connector.
Is the resistance below 5.0 ohms?
Yes
>> Go to 22
No
>> Repair the circuit for an open circuit or high resistance.
Perform the PCM Verification Test Ver. 1 (Refer to 9 -
ENGINE - DIAGNOSIS AND TESTING).
9 - 812
ENGINE ELECTRICAL DIAGNOSTICS - GPEC
PM
22.
POWERTRAIN CONTROL MODULE (PCM)
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors between the Throttle Body and
the Powertrain Control Module (PCM).
Look for any chafed, pierced, pinched, or partially broken wires.
Look for broken, bent, pushed out or corroded terminals.
Monitor the scan tool data relative to this circuit and wiggle test the wiring and connectors.
Look for the data to change or for the DTC to reset during the wiggle test.
Refer to any Technical Service Bulletins that may apply.
Were any problems found?
Yes
>> Repair as necessary.
Perform the PCM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING).
No
>> Replace and program the Powertrain Control Module (PCM) in accordance with the Service Information.
Perform the PCM Verification Test Ver. 1 (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING).
PM
ENGINE ELECTRICAL DIAGNOSTICS - GPEC
9 - 813
P2138-ACCELERATOR PEDAL POSITION SENSOR 1/2 CORRELATION
For a complete wiring diagram Refer to Section 8W.
9 - 814
ENGINE ELECTRICAL DIAGNOSTICS - GPEC
PM
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