Dodge Dakota (ND). Manual — part 1110
C1401- TRANSFER CASE RANGE SELECT SWITCH CIRCUIT LOW (CONTINUED)
7.
(K977) MODE SELECT CIRCUIT OPEN
Measure the resistance of the (K977) Mode Select circuit.
Is the resistance above 5.0 ohms?
Yes
>> Repair the (K977) Mode Select circuit for an open.
Perform the TRANSFER CASE VERIFICATION TEST-
VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/TRANSFER CASE CONTROL MODULE
- DIAGNOSIS AND TESTING)
No
>> Go To 8
8.
INSTRUMENT CLUSTER
View repair.
Repair
Replace the Instrument Cluster in accordance with the Service Information.
Perform the BODY VERIFICATION TEST-VER 1 (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES - DIAGNOSIS AND TESTING) and TRANSFER CASE VERIFICATION TEST-VER 1. (Refer
to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES/TRANSFER CASE CONTROL MODULE -
DIAGNOSIS AND TESTING)
9.
INTERMITTENT WIRING AND CONNECTORS
The conditions necessary to set this DTC are not present at this time.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
While monitoring the scan tool data relative to this circuit, wiggle test the wiring and connectors.
Look for the data to change or for the DTC to reset during the wiggle test.
Were any problems found?
Yes
>> Repair as necessary.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC
CONTROL MODULES/TRANSFER CASE CONTROL MODULE - DIAGNOSIS AND TESTING)
No
>> Test complete.
21 - 832
TRANSFER CASE - ELECTRICAL DIAGNOSTICS
ND
C1402- TRANSFER CASE RANGE SELECT SWITCH CIRCUIT HIGH
ND
TRANSFER CASE - ELECTRICAL DIAGNOSTICS
21 - 833
C1402- TRANSFER CASE RANGE SELECT SWITCH CIRCUIT HIGH (CONTINUED)
For a complete wiring diagram Refer to Section 8W
•
When Monitored:
With the ignition on.
•
Set Condition:
Transfer Case Range Select Switch voltage greater than 4.86 volts for 5 seconds
Possible Causes
INTERMITTENT CONDITION
(K77) 5 VOLT SELECTOR SWITCH SUPPLY CIRCUIT SHORTED TO VOLTAGE
(K977) MODE SELECT CIRCUIT SHORTED TO VOLTAGE
(K977) MODE SELECT CIRCUIT OPEN
(Z973) TRANSFER CASE SELECTOR SWITCH GROUND CIRCUIT OPEN
TRANSFER CASE SELECTOR SWITCH
INSTRUMENT CLUSTER
Diagnostic Test
1.
TCASE (DTCM) SWITCH VOLTAGE ABOVE 4.8 VOLTS
Ignition on, engine not running.
With the scan tool under Data Display, read the TCASE (DTCM) Switch voltage.
Is the volage above 4.8 volts?
Yes
>> Go To 2
No
>> Go to 8
2.
(K77) 5 VOLT SELECTOR SWITCH SUPPLY CIRCUIT SHORTED TO VOLTAGE
Turn the ignition off.
Disconnect the Transfer Case Selector Switch connector.
Disconnect the Instrument Cluster C2 connector.
Turn the ignition on.
Measure the voltage of the (K77) 5 Volt Selector Switch Supply circuit.
Is there any voltage present?
Yes
>> Repair the (K77) 5 Volt Selector Switch Supply circuit for a
short to voltage.
Perform the TRANSFER CASE VERIFICATION TEST-
VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/TRANSFER CASE CONTROL MODULE
- DIAGNOSIS AND TESTING)
No
>> Go to 3
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TRANSFER CASE - ELECTRICAL DIAGNOSTICS
ND
C1402- TRANSFER CASE RANGE SELECT SWITCH CIRCUIT HIGH (CONTINUED)
3.
(K977) MODE SELECT CIRCUIT SHORTED TO VOLTAGE
Measure the voltage of the (K977) Mode Select circuit.
Is there any voltage present?
Yes
>> Repair the (K977) Mode Select circuit for a short to volt-
age.
Perform the TRANSFER CASE VERIFICATION TEST-
VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/TRANSFER CASE CONTROL MODULE
- DIAGNOSIS AND TESTING)
No
>> Go to 4
4.
TRANSFER CASE SELECTOR SWITCH
Turn the ignition off.
Connect the Instrument Cluster C2 connector.
Turn the ignition on.
With the scan tool under Data Display, read the TCASE (DTCM) Switch voltage.
Is the voltage equal to 0 volts?
Yes
>> Replace the Transfer Case Selector Switch.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC
CONTROL MODULES/TRANSFER CASE CONTROL MODULE - DIAGNOSIS AND TESTING)
No
>> Go to 5
ND
TRANSFER CASE - ELECTRICAL DIAGNOSTICS
21 - 835
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