Dodge Dakota (R1). Manual — part 854
TEST
ACTION
APPLICABILITY
4
Turn the ignition off.
Disconnect the Oil Pressure Sensor harness connector.
Note: Check connectors - Clean/repair as necessary.
Turn the ignition on.
Using a 12 volt test lamp, test the sensor signal circuit for a short to power. Indicated
by a bright test lamp.
Is the test lamp illuminated and bright?
All
Yes
→
Repair the Oil Pressure Sensor Signal Circuit shorted to voltage.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
No
→
5
Turn the ignition off.
Disconnect the Oil Pressure Sensor harness connector.
Note: Check connectors - Clean/repair as necessary.
Install a jumper wire between the Sensor Signal circuit, and Sensor Ground circuit,
at the Sensor harness connector.
Turn the ignition on.
With the DRBIII
t in Sensors, read the Oil Pressure Sensor voltage.
Is the voltage below 1.0 volt?
All
Yes
→
Replace the Oil Pressure Sensor.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
No
→
Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
6
At this time, the conditions required to set the DTC are not present.
Note: Visually inspect the related wiring harness. Look for any chafed,
pierced, pinched, or partially broken wires.
Note: Visually inspect the related wire harness connectors. Look for broken,
bent, pushed out, or corroded terminals.
Note: Refer to any technical service bulletins that may apply.
Start the engine.
With the DRBIII
t in Sensors, read the Oil Pressure Sensor voltage.
Wiggle the wiring harness and connectors from the Oil Pressure Sensor to the PCM
harness connectors.
Did the voltage change?
All
Yes
→
Repair wiring harness/connectors where the voltage changed
during the test.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
No
→
Test Complete.
148
DRIVEABILITY - GAS
P0523-OIL PRESSURE SENSOR VOLTS HIGH —
Continued
Symptom:
P0551-POWER STEERING SWITCH FAILURE
When Monitored and Set Condition:
P0551-POWER STEERING SWITCH FAILURE
When Monitored:
With the ignition key on and engine running.
Set Condition:
With the vehicle above 40 mph for over 30 seconds, the power steering
pressure switch remains open.
POSSIBLE CAUSES
POWER STEERING PRESSURE SWITCH GROUND CIRCUIT OPEN
WIRING HARNESS INTERMITTENT PROBLEM
POWER STEERING PRESSURE SWITCH
POWER STEERING PRESSURE SWITCH SENSE CIRCUIT SHORTED TO GROUND
POWER STEERING SWITCH SENSE CIRCUIT OPEN
PCM
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, read DTCs.
Is the Good Trip Counter displayed and equal to zero?
All
Yes
→
No
→
2
Turn the ignition off.
Disconnect the Power Steering Pressure Switch harness connector.
Using an Ohmmeter, measure the resistance of the Ground Circuit at the Power
Steering Pressure Switch connector to a good Ground.
Is the resistance below 5.0 ohms?
All
Yes
→
No
→
Repair the open Power Steering Pressure Switch Ground Circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
149
DRIVEABILITY - GAS
TEST
ACTION
APPLICABILITY
3
Turn the ignition off.
Disconnect the Power Steering Pressure Switch harness connector.
Turn the ignition on.
Connect a Jumper Wire to the Power Steering Pressure Switch Sense Circuit at
harness connector.
Using the DRBIII
t, while monitoring the Power Steering Pressure Switch.
Touch the Jumper Wire to the Ground Circuit at the Power Steering Pressure Switch
harness connector several times.
Did the Power Steering Pressure Switch status change from Hi to Low?
All
Yes
→
Replace the Power Steering Pressure Switch.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
No
→
4
Turn the ignition off.
Disconnect the Power Steering Pressure Switch harness connector.
Disconnect the PCM harness connector(s).
Measure the Power Steering Pressure Switch Sense Circuit to ground at the PCM
harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→
Repair the Power Steering Pressure Switch Sense Circuit for a
short to ground.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
No
→
5
Turn the ignition off.
Disconnect the Power Steering Pressure Switch harness connector.
Disconnect the PCM harness connector(s).
Measure resistance of Power Steering Pressure Switch sense circuit from PCM
harness connector to Power Steering Pressure Sensor harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→
No
→
Repair the open Power Steering Switch Sense Circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
6
If there are no possible causes remaining, view repair.
All
Repair
Replace and program the Powertrain Module in accordance with
the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
7
Turn the ignition off.
Note: Visually inspect the related wiring harness. Look for any chafed,
pierced, pinched, or partially broken wires.
Note: Visually inspect the related wire harness connectors. Look for broken,
bent, pushed out, or corroded terminals.
Note: Refer to any Technical Service Bulletins (TSB) that may apply.
Were any problems found?
All
Yes
→
Repair wiring harness/connectors as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
No
→
Test Complete.
150
DRIVEABILITY - GAS
P0551-POWER STEERING SWITCH FAILURE —
Continued
Symptom List:
P1195-1/1 O2 SENSOR SLOW DURING CATALYST MONITOR
P1196-2/1 O2 SENSOR SLOW DURING CATALYST MONITOR
P1197-1/2 O2 SENSOR SLOW DURING CATALYST MONITOR
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P1195-1/1 O2 SENSOR SLOW
DURING CATALYST MONITOR.
When Monitored and Set Condition:
P1195-1/1 O2 SENSOR SLOW DURING CATALYST MONITOR
When Monitored:
With the engine running, coolant greater than 170°F, open throttle,
steady to slightly increasing vehicle speed greater than 18 mph but less than 55 mph, with
a light load on the engine, for a period no less than 5 minutes.
Set Condition:
The oxygen sensor signal voltage is switching from below 0.39 volt to
above 0.6 volts and back fewer times than required.
P1196-2/1 O2 SENSOR SLOW DURING CATALYST MONITOR
When Monitored:
With the engine running, coolant greater than 170°F, open throttle,
steady to slightly increasing vehicle speed greater than 18 mph but less than 55 mph, with
a light load on the engine, for a period no less than 5 minutes.
Set Condition:
The oxygen sensor signal voltage is switching from below 0.39 volt to
above 0.6 volts and back fewer times than required.
POSSIBLE CAUSES
O2S SENSOR GROUND CIRCUIT VOLTAGE DROP
O2S SIGNAL CIRCUIT VOLTAGE DROP
EXHAUST LEAK
EXCESSIVE ENGINE BLOW BY
O2S HEATER FEED CIRCUIT OPEN
O2S HEATER GROUND CIRCUIT OPEN
WIRING HARNESS INTERMITTENT PROBLEM
O2 SENSOR
TEST
ACTION
APPLICABILITY
1
Turn the ignition on.
With the DRBIII
t, read DTCs.
Is the Good Trip Counter displayed and equal to zero?
All
Yes
→
No
→
151
DRIVEABILITY - GAS
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