Chrysler PT Cruiser. Manual — part 59
Symptom:
*HIGH BEAM INDICATOR INOPERATIVE
POSSIBLE CAUSES
HIGH BEAM INDICATOR CIRCUIT OPEN
HIGH BEAM INDICATOR BULB
INSTRUMENT CLUSTER
TEST
ACTION
APPLICABILITY
1
NOTE: Ensure that the High Beam headlamps operate properly before
proceeding with this test.
Turn the ignition off.
Disconnect the Instrument Cluster C2 harness connector.
Turn on the headlamps and actuate the High Beams.
Using a 12-volt test light connected to ground, check the High Beam Indicator circuit.
Does the test light illuminate brightly?
All
Yes
→ Go To 2
No
→ Repair the High Beam Indicator circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
2
Turn the ignition off.
Remove the Instrument Cluster.
Remove and inspect the High Beam Indicator bulb.
Is the bulb open?
All
Yes
→ Replace the High Beam Indicator bulb in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Instrument Cluster in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
223
INSTRUMENT CLUSTER
Symptom:
*INSTRUMENT CLUSTER DIMMING INOPERATIVE
POSSIBLE CAUSES
DTC PRESENT
HEADLAMP SWITCH OUTPUT CIRCUIT OPEN
ILLUMINATION BULB
INSTRUMENT CLUSTER
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, read DTCs.
Does the DRBIII
t display Panel Dimmer Open?
All
Yes
→ Refer to the Symptom list for 9Panel Dimmer Open9.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 2
2
NOTE: Ensure that the Park Lamps operate properly before proceeding
with this test.
Turn the ignition off.
Disconnect the Instrument Cluster C1 harness connector.
Turn the Park Lamps on.
Using a 12-volt test light connected to ground, check the Headlamp Switch Output
circuit.
Does the test light illuminate brightly?
All
Yes
→ Go To 3
No
→ Repair the Headlamp Switch Output circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
3
Turn the ignition off.
Remove the Instrument Cluster.
Remove and inspect the Illumination Bulb in question.
Is the Illumination Bulb filament open?
All
Yes
→ Replace the Illumination Bulb in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Replace the Instrument Cluster in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
224
INSTRUMENT CLUSTER
Symptom:
*LOW OIL PRESSURE INDICATOR ALWAYS ON
POSSIBLE CAUSES
ENGINE OIL PRESSURE SWITCH
INTERMITTENT CONDITION
ENGINE OIL PRESSURE SWITCH SENSE CIRCUIT SHORT TO GROUND
INSTRUMENT CLUSTER
TEST
ACTION
APPLICABILITY
1
NOTE: Ensure that Engine oil pressure is within normal operating range.
Refer to the Service Information for specifications.
Allow the engine to idle.
With the DRBIII
t in Sensors, read the Engine Oil Pressure Switch voltage.
Does the Engine Oil Pressure Switch voltage read 5 volts?
All
Yes
→ Go To 2
No
→ Replace the Instrument Cluster in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
2
Turn the ignition off.
Disconnect the Engine Oil Pressure Switch harness connector.
With the DRBIII
t in Sensors, read the Engine Oil Pressure Switch voltage.
Does the Engine Oil Pressure Switch voltage read 5 volts?
All
Yes
→ Go To 3
No
→ Replace the Engine Oil Pressure Switch in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
3
Turn the ignition off.
Disconnect the Engine Oil Pressure Switch harness connector.
Disconnect the PCM C1 harness connector.
Measure the resistance between ground and the Engine Oil Pressure Switch Sense
circuit.
Is the resistance below 5.0 ohms?
All
Yes
→ Repair the Engine Oil Pressure Switch Sense circuit for a short to
ground.
Perform BODY VERIFICATION TEST - VER 1.
No
→ The condition is not present at this time. Monitor DRBIIIt
parameters while wiggling the related wire harness. Refer to any
Technical Service Bulletins (TSB) that may apply. Visually in-
spect the related wiring harness and connector terminals.
Perform BODY VERIFICATION TEST - VER 1.
225
INSTRUMENT CLUSTER
Symptom:
*LOW OIL PRESSURE INDICATOR INOPERATIVE
POSSIBLE CAUSES
ENGINE OIL PRESSURE SWITCH
ENGINE OIL PRESSURE SWITCH SENSE CIRCUIT OPEN
INTERMITTENT CONDITION
INSTRUMENT CLUSTER
TEST
ACTION
APPLICABILITY
1
Turn the ignition off.
Perform the Instrument Cluster Self Test.
Press and hold the Trip Odometer reset button.
Turn the ignition on.
Observe the Low Oil Pressure Indicator during the Self Test.
Did the Low Oil Pressure Indicator illuminate?
All
Yes
→ Go To 2
No
→ Replace the Instrument Cluster in accordance with the Service
Information.
Perform BODY VERIFICATION TEST - VER 1.
2
Turn the ignition on.
With the DRBIII
t in Sensors, read the Oil Pressure Switch state.
Disconnect the Engine Oil Pressure Switch harness connector.
With the DRBIII
t in Sensors, read the Oil Pressure Switch state.
Did the Engine Oil Pressure Switch change states?
All
Yes
→ Replace the Engine Oil Pressure Switch in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Go To 3
3
Turn the ignition off.
Disconnect the Engine Oil Pressure Switch harness connector.
Disconnect the PCM C1 harness connector.
Measure the resistance of the Engine Oil Pressure Switch Sense circuit.
Is the resistance below 5.0 ohms?
All
Yes
→ The condition is not present at this time. Monitor DRBIIIt
parameters while wiggling the related wire harness. Refer to any
Technical Service Bulletins (TSB) that may apply. Visually in-
spect the related wiring harness and connector terminals.
Perform BODY VERIFICATION TEST - VER 1.
No
→ Repair the Engine Oil Pressure Switch Sense circuit for an open.
Perform BODY VERIFICATION TEST - VER 1.
226
INSTRUMENT CLUSTER
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