Chrysler PT Cruiser. Manual — part 349
TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Disconnect the TIP Sensor harness connector.
Ignition on, engine not running.
With the DRBIII
t, monitor the TIP Sensor voltage.
Is the voltage between 4.5 and 5.2 volts?
All
Yes
→ Replace the TIP Sensor.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No
→ Go To 4
4
Turn the ignition off.
Disconnect the TIP Sensor harness connector.
Disconnect the PCM harness connector.
Measure the resistance between the (A23) TIP Sensor signal circuit at the TIP Sensor
harness connector and ground.
Is the resistance below 100 ohms?
All
Yes
→ Repair the short to ground in the (A23) TIP Sensor signal circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No
→ Go To 5
5
Turn the ignition off.
Disconnect the TIP Sensor harness connector.
Disconnect the PCM harness connector.
Measure the resistance between the (A23) TIP Sensor signal circuit and the (K167)
Sensor ground circuit in the TIP Sensor harness connector.
Is the resistance below 100 ohms?
All
Yes
→ Repair the (A23) TIP Sensor signal circuit for a short to the
(K167) Sensor ground circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No
→ Go To 9
6
Turn the ignition off.
Disconnect the TIP 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 TERMI-
NALS 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 TIP Sensor harness
connector to the appropriate terminal of special tool #8815.
Is the resistance below 100 ohms?
All
Yes
→ Go To 7
No
→ Repair the open (K6) 5 Volt Supply circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
486
DRIVEABILITY - NGC
P1189-TIP SENSOR CIRCUIT LOW —
Continued
TEST
ACTION
APPLICABILITY
7
Turn the ignition off.
Disconnect the TIP Sensor harness connector.
Disconnect the PCM Harness connector.
Measure the resistance between the (K6) 5 Volt Supply circuit in the TIP Sensor
harness connector and ground.
Is the resistance below 5.0 ohms?
All
Yes
→ Repair the (K6) 5 Volt Supply circuit for a short to ground.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No
→ Go To 8
8
Turn the ignition off.
Disconnect the TIP Sensor harness connector.
Measure the resistance between the (K6) 5 Volt Supply circuit and the (K167) Sensor
Ground circuit in the TIP Sensor harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Repair the (K6) 5 Volt Supply circuit for a short to the (K167)
Sensor Ground circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No
→ Go To 9
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.
All
Repair
Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
487
DRIVEABILITY - NGC
P1189-TIP SENSOR CIRCUIT LOW —
Continued
Symptom:
P1190-TIP SENSOR CIRCUIT HIGH
When Monitored and Set Condition:
P1190-TIP SENSOR CIRCUIT HIGH
When Monitored:
Ignition on. TP sensor voltage less than 1.2 volts. Battery voltage
greater than 10 volts.
Set Condition:
The TIP signal voltage is greater than 4.92 volts for 1.7 seconds. One trip
Fault.
POSSIBLE CAUSES
TIP SENSOR VOLTAGE ABOVE 4.9 VOLTS
(A23) TIP SIGNAL CIRCUIT SHORTED TO (K6) 5 VOLT SUPPLY CIRCUIT
(A23) TIP SIGNAL CIRCUIT SHORTED TO BATTERY VOLTAGE
TIP SENSOR INTERNAL FAILURE
(A23) TIP SIGNAL CIRCUIT OPEN
(K167) SENSOR GROUND CIRCUIT OPEN
PCM
TEST
ACTION
APPLICABILITY
1
Start the engine.
With the DRBIII
t, read the TIP Sensor voltage.
Is the voltage above 4.9 volts?
All
Yes
→ Go To 2
No
→ Refer to the INTERMITTENT CONDITION symptom in the
Driveability category.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
2
Turn the ignition off.
Disconnect the TIP Sensor harness connector.
Disconnect the PCM harness connector.
Measure the resistance between the (A23) TIP Signal circuit and the (K6) 5 Volt
Supply circuit in the TIP Sensor harness connector.
Is the resistance below 100 ohms?
All
Yes
→ Repair the (A23) TIP Signal circuit for a short to the (K6) 5 Volt
Supply circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No
→ Go To 3
488
DRIVEABILITY - NGC
TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Disconnect the TIP Sensor harness connector.
Ignition on, engine not running.
Measure the voltage of the (A23) TIP Signal circuit in the TIP Sensor harness
connector.
Is the voltage above 5.2 volts?
All
Yes
→ Repair the short to battery voltage in the (A23) TIP Signal circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No
→ Go To 4
4
Turn the ignition off.
Disconnect the TIP Sensor harness connector.
Connect a jumper wire between the (A23) TIP Sensor Signal circuit and the (K167)
Sensor ground circuit.
With the DRBIII
t, monitor the TIP Sensor voltage.
Ignition on, engine not running.
Is the voltage below 1.0 volt?
All
Yes
→ Replace the TIP Sensor.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No
→ Go To 5
5
Turn the ignition off.
Disconnect the TIP 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 TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Measure the resistance of the (A23) TIP Signal circuit from the TIP Sensor harness
connector to the appropriate terminal of special tool #8815.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 6
No
→ Repair the open in the (A23) TIP Signal circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
6
Turn the ignition off.
Disconnect the TIP 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 TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Measure the resistance of the (K167) Sensor ground circuit from the TIP Sensor
harness connector to the appropriate terminal of special tool #8815.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 7
No
→ Repair the open in the (K167) Sensor ground circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
489
DRIVEABILITY - NGC
P1190-TIP SENSOR CIRCUIT HIGH —
Continued
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