Dodge Ram Truck 1500-2500-3500. Manual — part 1835
NEUTRAL INDICATOR OPEN (CONTINUED)
6.
TRANSFER CASE CONTROL MODULE
Using the wiring diagram as a guide, inspect the wiring and connectors relative to this DTC. Inspect all power and
ground circuits. Repair as necessary.
If there are no other possible causes remaining, view repair.
Repair
Replace the Transfer Case Control Module in accordance with the Service Information.
Perform TRANSFER CASE VERIFICATION TEST. (Refer to 21 - TRANSMISSION/TRANSAXLE/
TRANSFER CASE - DIAGNOSIS AND TESTING)
7.
INTERMITTENT WIRING AND CONNECTORS
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 test the wiring harness and connectors while checking for shorted and open circuits.
Using the DRBIII
T
, monitor the data related to this circuit while performing the wiggle test. Look for the data to
change or for the DTC to reset.
Were there any problems found?
Yes
>> Repair as necessary.
Perform TRANSFER CASE VERIFICATION TEST. (Refer to 21 - TRANSMISSION/TRANSAXLE/
TRANSFER CASE - DIAGNOSIS AND TESTING)
No
>> Test Complete.
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TRANSFER CASE - ELECTRICAL DIAGNOSTICS (ETC)
DR/DH
NEUTRAL INDICATOR SHORT TO GROUND
DR/DH
TRANSFER CASE - ELECTRICAL DIAGNOSTICS (ETC)
21 - 1273
NEUTRAL INDICATOR SHORT TO GROUND (CONTINUED)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
Continuously with the ignition on.
•
Set Condition:
The Transfer Case Control Module detects a short to ground on the (G95) Neutral Indicator circuit.
Possible Causes
INTERMITTENT NEUTRAL INDICATOR SHORT TO GROUND
(G95) NEUTRAL INDICATOR CIRCUIT OPEN
(G95) NEUTRAL INDICATOR CIRCUIT SHORT TO GROUND
(G95) NEUTRAL INDICATOR CIRCUIT SHORT TO VOLTAGE
TRANSFER CASE SELECTOR SWITCH
TRANSFER CASE CONTROL MODULE
1.
NEUTRAL INDICATOR SHORT TO GROUND DTC IS PRESENT
With the DRBIII
T
, read Transfer Case DTCs. Record all DTC information.
With the DRBIII
T
, erase Transfer Case DTCs.
Start the engine and move the Transfer Case Selector Switch to each position.
With the DRBIII
T
, read Transfer Case DTCs.
Does the DRBIII
T
display NEUTRAL INDICATOR SHORT TO GROUND?
Yes
>> Go To 2
No
>> Go To 7
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TRANSFER CASE - ELECTRICAL DIAGNOSTICS (ETC)
DR/DH
NEUTRAL INDICATOR SHORT TO GROUND (CONTINUED)
2.
(G95) NEUTRAL INDICATOR CIRCUIT OPEN
Turn the ignition off to the lock position.
Disconnect the Transfer Case Control Module C1 harness connector.
Disconnect the Transfer Case Selector Switch harness connector.
NOTE: Note: Check connectors - Clean/repair as necessary.
Measure the resistance of the (G95) Neutral Indicator circuit from the
Transfer Case Control Module C1 harness connector to the Transfer
Case Selector Switch harness connector.
Is the resistance above 5.0 ohms?
Yes
>> Repair the (G95) Neutral Indicator circuit for an open.
Perform TRANSFER CASE VERIFICATION TEST. (Refer
to 21 - TRANSMISSION/TRANSAXLE/TRANSFER CASE
- DIAGNOSIS AND TESTING)
No
>> Go To 3
3.
(G95) NEUTRAL INDICATOR CIRCUIT SHORT TO GROUND
Measure the resistance between ground and the (G95) Neutral Indica-
tor circuit.
Is the resistance below 5.0 ohms?
Yes
>> Repair the (G95) Neutral Indicator circuit for a short to
ground.
Perform TRANSFER CASE VERIFICATION TEST. (Refer
to 21 - TRANSMISSION/TRANSAXLE/TRANSFER CASE
- DIAGNOSIS AND TESTING)
No
>> Go To 4
DR/DH
TRANSFER CASE - ELECTRICAL DIAGNOSTICS (ETC)
21 - 1275
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