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DRIVEABILITY - DIESEL
P0836-TRANSFER CASE POSITION SENSOR PLAUSIBILITY —
TEST
5
Turn the ignition off to the lock position.
Disconnect the ECM harness connectors.
Disconnect the Transfer Case Position Sensor harness connector.
Measure the resistance between the Transfer Case Position Sensor circuit and the
Sensor Ground circuit.
Is the resistance below 1000.0 ohms?
Yes → Repair the Transfer Case Position Sensor Signal circuit for a short
→ Go To 6
No
6
Turn the ignition on.
With the DRBIII read the T-case Sensor
Observe the T-case volts on the DRB while moving the transfer case selector lever in
each of the transfer case positions.
NOTE: When shifting the transfer case selector to each position, the Sensor
voltage should result in the following voltages: 4WD Low 0.16 - 0.40, Neutral
0.68 - 0.97 4WD Full Time 1.24 - 1.55.
Does each position provide the correct voltage?
Yes → Replace and program the ECM in accordance with the Service
→ Replace the Transfer Case Position Sensor.
No
7
The conditions necessary to set this DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this
circuit.
Wiggle the wiring while checking for shorts and open circuits.
Were there any problems found?
Yes → Repair as necessary.
→ Test Complete.
No
ACTION
to the Sensor Ground circuit.
Perform ROAD TEST VERIFICATION - VER-2.
Information.
Perform ROAD TEST VERIFICATION - VER-2.
Perform ROAD TEST VERIFICATION - VER-2.
Perform ROAD TEST VERIFICATION - VER-2.
160
Continued
APPLICABILITY
All
All
All
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