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Home >> Chrysler >> 2004 >> Sebring Limited, 2D Convertible >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Powertrain Diagnostic Procedures - NGC DRIVEABILITY Symptoms, NGC DRIVEABILITY Diagnostic Tests DTCS P0016 To P0461 - Except Coupe >> DRIVEABILITY - NGC - Diagnostic Tests >> DTC P0122: Throttle Position Sensor #1 Low >> Possible Causes

Possible Causes

THROTTLE POSITION SENSOR SWEEP

INTERMITTENT CONDITION

(K6) 5 VOLT SUPPLY CIRCUIT SHORTED TO GROUND

(K6) 5 VOLT SUPPLY CIRCUIT OPEN

TP SENSOR INTERNAL FAILURE

(K22) TP SIGNAL CIRCUIT SHORTED TO GROUND

(K22) TP SIGNAL CIRCUIT SHORTED TO (K4) SENSOR GROUND CIRCUIT

PCM (K6) 5 VOLT SUPPLY CIRCUIT

PCM (K22) TP SENSOR SIGNAL

DIAGNOSTIC PROCEDURE - P0122-THROTTLE POSITION SENSOR #1 LOW

TEST ACTION
1 Ignition on, engine not running.
With the DRBIII®, read the Throttle Position Sensor voltage.
Is the voltage below 0.2 of a volt?
  1. Yes --> Go To 2
  2. No --> Go To 10
2 Turn the ignition off.
Disconnect the TP Sensor harness connector.
Ignition on, engine not running.
Measure the voltage of the (K6) 5 Volt Supply circuit in the TP Sensor harness connector.
Is the voltage between 4.5 to 5.2 volts?
  1. Yes --> Go To 3
  2. No --> Go To 7
3 Turn the ignition off. Disconnect the TP Sensor harness connector.
With the DRBIII®, monitor the TP Sensor voltage.
Ignition on, engine not running.
Is the voltage above 4.5 volts?
  1. Yes --> Replace the Throttle Position Sensor.

    Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC .

  2. No --> Go To 4
4 Turn the ignition off.
Disconnect the TP harness connector.
Disconnect the PCM harness connector.
Measure the resistance between ground and the (K22) TP Signal circuit at the TP Sensor harness connector.
Is the resistance below 100 ohms?
  1. Yes --> Repair the short to ground in the (K22) TP Signal circuit.

    Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC .

  2. No --> Go To 5
5 Turn the ignition off.
Disconnect the TP Sensor harness connector.
Disconnect the PCM harness connector.
Measure the resistance between the (K22) TPS Signal circuit and the (K4) Sensor ground circuit in the TPS harness connector.
Is the resistance below 100 ohms?
  1. Yes --> Repair the short to (K4) Sensor ground in the (K22) TP Signal circuit.

    Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC .

  2. No --> Go To 6
6
NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.
If there are no possible causes remaining, view repair.Repair:Replace and program the Powertrain Control Module in accordance with the Service Information.Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC .
7 Turn the ignition off.
Disconnect the TP Sensor harness connector.
Disconnect the PCM harness connector.
Measure the resistance between ground and the (K6) 5 Volt Supply circuit in the TP Sensor harness connector.
Is the resistance below 100 ohms?
  1. Yes --> Repair the short to ground in the (K6) 5 Volt Supply circuit.

    Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC .

  2. No --> Go To 8
8 Turn the ignition off.
Disconnect the TP Sensor harness connector.
Disconnect the PCM harness connector.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMINALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.

Measure the resistance of the (K6) 5 Volt Supply circuit from the TP Sensor harness connector to the appropriate terminal of special tool #8815.
Is the resistance below 5.0 ohms?
  1. Yes --> Go To 9
  2. No --> Repair the open in the (K6) 5 Volt Supply circuit.

    Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC .
9
NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal push out. Repair as necessary.
If there are no possible causes remaining, view repair.Repair:Replace and program the Powertrain Control Module in accordance with the Service Information.Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC .
10 Ignition on, engine not running.
With the DRBIII®, monitor the Throttle Position Sensor voltage.
Slowly open the throttle from the idle position to the wide open throttle position. Does voltage start at approximately 0.7 of a volt and go above 3.5 volts with a smooth transition?
  1. Yes --> Refer to the INTERMITTENT CONDITION  symptom in the Driveability category.

    Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC .

  2. No --> Replace the Throttle Position Sensor.

    Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC .
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