Dodge Dakota (ND). Manual — part 1113
C1405- TRANSFER CASE RANGE POSITION SENSOR CIRCUIT HIGH (CONTINUED)
For a complete wiring diagram Refer to Section 8W
•
When Monitored:
Ignition on. Battery voltage between 9 and 16 volts
•
Set Condition:
FCM detects 5 volts on the Transfer Case Range Position Sensor signal circuit for 2 seconds
Possible Causes
INTERMITTENT CONDITION
(T103) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
(D201) MODE SENSOR A CIRCUIT SHORTED TO VOLTAGE
(D201) MODE SENSOR A CIRCUIT OPEN
(G180) FCM SENSOR RETURN CIRCUIT OPEN
SHIFT MOTOR/MODE SENSOR ASSEMBLY
INTEGRATED POWER MODULE
FRONT CONTROL MODULE
Diagnostic Test
1.
T-CASE POSITION SENSOR VOLTAGE ABOVE 4.8 VOLTS
Ignition on, engine not running.
With the scan tool under Data Display, read the T-Case Position Sensor voltage.
Is the voltage above 4.8 volts?
Yes
>> Go To 2
No
>> Go to 10
2.
(T103) 5 VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
Turn the ignition off.
Disconnect the Shift Motor/Mode Sensor connector.
Turn the ignition on.
Measure the voltage of the (T103) 5 Volt Supply circuit.
Is the voltage above 5.5 volts?
Yes
>> Repair the (T103) 5 Volt Supply 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 3
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TRANSFER CASE - ELECTRICAL DIAGNOSTICS
ND
C1405- TRANSFER CASE RANGE POSITION SENSOR CIRCUIT HIGH (CONTINUED)
3.
(D201) MODE SENSOR A CIRCUIT SHORTED TO VOLTAGE
Measure the voltage of the (D201) Mode Sensor A circuit.
Is the voltage above 5.5 volts?
Yes
>> Repair the (D201) Mode Sensor A 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 4
4.
SHIFT MOTOR/MODE SENSOR ASSEMBLY
Turn the ignition off.
Connect a jumper wire between the (G180) FCM Sensor Return circuit
and the (D201) Mode Sensor A circuit in the Shift Motor/Mode Sensor
connector.
Turn the ignition on.
With the scan tool under Data Display, read the T-Case Position Sen-
sor voltage.
NOTE: Remove the jumper wire before continuing.
Is the voltage below 0.2 volts?
Yes
>> Replace the Shift Motor/Mode Sensor assembly.
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 5
ND
TRANSFER CASE - ELECTRICAL DIAGNOSTICS
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C1405- TRANSFER CASE RANGE POSITION SENSOR CIRCUIT HIGH (CONTINUED)
5.
(D201) MODE SENSOR A CIRCUIT OPEN
Turn the ignition off.
Disconnect the Front Control Module C1 connector.
Measure the resistance of the (D201) Mode Sensor A circuit.
Is the resistance above 5.0 ohms?
Yes
>> Repair the (D201) Mode Sensor A 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 6
6.
(G180) FCM SENSOR RETURN CIRCUIT OPEN
Measure the resistance of the (G180) FCM Sensor Return circuit from
the Shift Motor/Mode Sensor harness connector to the FCM connector
in the IPM.
Is the resistance above 5.0 ohms?
Yes
>> Go to 7
No
>> Go to 9
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TRANSFER CASE - ELECTRICAL DIAGNOSTICS
ND
C1405- TRANSFER CASE RANGE POSITION SENSOR CIRCUIT HIGH (CONTINUED)
7.
(G180) FCM SENSOR RETURN CIRCUIT OPEN (IPM)
Disconnect the Integrated Power Module C1 harness connector.
Measure the resistance of the (G180) FCM Sensor Return circuit from
the Shift Motor/Mode Sensor harness connector to the Integrated
Power Module C1 harness connector.
Is the resistance above 5.0 ohms?
Yes
>> Repair the (G180) FCM Sensor Return 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.
INTEGRATED POWER MODULE
View repair.
Repair
Replace the Integrated Power Module in accordance with the Service information.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC
CONTROL MODULES/TRANSFER CASE CONTROL MODULE - DIAGNOSIS AND TESTING)
9.
FRONT CONTROL MODULE
View repair.
Repair
Replace the Front Control Module in accordance with the Service information.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC
CONTROL MODULES/TRANSFER CASE CONTROL MODULE - DIAGNOSIS AND TESTING)
ND
TRANSFER CASE - ELECTRICAL DIAGNOSTICS
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