DODGE RAM SRT-10 2006 Service Repair Manual

3.(G304) FRONT AXLE LOCK CONTROL CIRCUIT
Using a 12-volt test light, jump across from the (A880) Fused B+ circuit
and the G304 Front Axle Lock Control circuit in the FAD harness con-
nector.
With the scan tool, actuate the Front Axle Lock in the TIPM.
Does the test light illuminate brightly and flash on and off?
Ye s>>
Go To 4
No>>
Go To 6
4.(G303) FRONT AXLE LOCK SIGNAL CIRCUIT
Turn the ignition off to the lock position.
Reconnect the FAD harness connector.
Using a 12-volt test light connected to ground, backprobe the (G303)
Front Axle Lock Signal circuit in the TIPM C4 harness connector.
Ignition on, engine not running.
With the scan tool, actuate the Front Axle Lock in the TIPM.
Does the test light illuminate brightly?
Ye s>>
Go To 8
No>>
Go To 5

5.(G303) FRONT AXLE SIGNAL CIRCUIT OPEN
Turn the ignition off to the lock position.
Disconnect the FAD harness connector.
Disconnect the TIPM C4 harness connector.
Measure the resistance of the (G303) Front Axle Lock Signal circuit
from the TIPM C4 harness connector to the FAD harness connector.
Is the resistance below 5.0 ohms?
Ye s>>
Go To 7
No>>
Repair the (G303) Front Axle Lock Signal for an open.
Perform the TRANSFER CASE VERIFICATION TEST-VER
1. (Refer to 21 - TRANSMISSION/TRANSAXLE/TRANSFER
CASE - STANDARD PROCEDURE)
6.(G304) FRONT AXLE SIGNAL CIRCUIT OPEN
Turn the ignition off to the lock position.
Disconnect the TIPM C2 harness connector.
Measure the resistance between the (G304) Front Axle Lock Signal cir-
cuit from the TIPM C2 harness connector and the FAD harness connec-
tor.
Is the resistance below 5.0 ohms?
Ye s>>
Go To 8
No>>
Repair the (G304) Front Axle Lock Control for an open.
Perform the TRANSFER CASE VERIFICATION TEST-VER
1. (Refer to 21 - TRANSMISSION/TRANSAXLE/TRANSFER
CASE - STANDARD PROCEDURE)

7.FRONT AXLE DISCONNECT (FAD) MODULE
Using the wiring diagram/schematic as a guide, inspect all wiring and connectors that pertain to this circuit.
Were any problems found?
Ye s>>
Repair as necessary.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1. (Refer to 21 - TRANSMISSION/TRANS-
AXLE/TRANSFER CASE - STANDARD PROCEDURE)
No>>
Replace the Front Axle Disconnect (FAD) Module in accordance with the Service Information.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1. (Refer to 21 - TRANSMISSION/TRANS-
AXLE/TRANSFER CASE - STANDARD PROCEDURE)
8.TOTALLY INTEGRATED POWER MODULE (TIPM)
Using the wiring diagram/schematic as a guide, inspect all wiring and connectors that pertain to this circuit.
Were any problems found?
Ye s>>
Repair as necessary.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1. (Refer to 21 - TRANSMISSION/TRANS-
AXLE/TRANSFER CASE - STANDARD PROCEDURE)
No>>
Replace the Totally Integrated Power Module (TIPM) in accordance with theService Information.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1. (Refer to 21 - TRANSMISSION/TRANS-
AXLE/TRANSFER CASE - STANDARD PROCEDURE)
9.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 specifictothiscircuit.
Wiggle test the wiring harness and connectors while checking for shorted and open circuits.
Using the scan tool, 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?
Ye s>>
Repair as necessary.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1. (Refer to 21 - TRANSMISSION/TRANS-
AXLE/TRANSFER CASE - STANDARD PROCEDURE)
No>>
Te s t C o m p l e t e .

C1469-FRONT AXLE DISCONNECT RETURN CONTROL CIRCUIT HIGH
For a complete wiring diagramRefer to Section 8W.

When Monitored:
The ignition on, T-Case Switch in 4W/LO position.
Set Condition:
The TIPM detects the Front Axle Lock Signal circuit is shorted low.
Possible Causes
(G303) FRONT AXLE LOCK CONTROL CIRCUIT SHORTED TO VOLTAGE
(G304) FRONT AXLE LOCK CONTROL CIRCUIT SHORTED TO GROUND
FRONT AXLE DISCONNECT (FAD) MODULE
TOTALLY INTEGRATED POWER MODULE (TIPM)
Diagnostic Test
1.ACTIVE DTC
CAUTION: Before removing the TIPM harness connectors, clean the connector and locking cam area of dirt
and debris. Failure to do so can result in the connector being jammed or damage to the locking cams on
the harness connector or module. Do not force the assist arm when releasingor installing the harness con-
nector.
Ignition on, engine not running.
With the scan tool, select View DTCs.
Is the status Active for this DTC?
Ye s>>
Go To 2
No>>
Go To 6
2.(G303) FRONT AXLE LOCK SIGNAL CIRCUIT SHORTED TO VOLTAGE
Turn the ignition off to the lock position.
Disconnect the TIPM C4 harness connector.
Disconnect the FAD harness connector.
Ignition on, engine not running.
Measure the voltage of the (G303) Front Axle Lock Signal circuit.
Is there any voltage present?
Ye s>>
Repair the (G303) Front Axle Lock Signal circuit for a short
to voltage.
Perform the TRANSFER CASE VERIFICATION TEST-VER
1. (Refer to 21 - TRANSMISSION/TRANSAXLE/TRANSFER
CASE - STANDARD PROCEDURE)
No>>
Go To 2

3.(G304) FRONT AXLE LOCK CONTROL CIRCUIT
Turn the ignition off to the lock position.
Disconnect the TIPM C2 harness connector.
Ignition on, engine not running.
With the scan tool, actuate the TIPM.
Using a 12-volt test light connected to 12-volts, check the (G304) Front Axle Lock Control circuit in the FAD harness
connector.
Does the test light turn on and off?
Ye s>>
Go To 5
No>>
Go To 4
4.(G304) FRONT AXLE LOCK CONTROL CIRCUIT SHORTED TO GROUND
Turn the ignition off to the lock position.
Measure the resistance between ground and the (G304) Front Axle
Lock Control circuit in the TIPM C2 harness connector.
Is the resistance below 5.0 ohms?
Ye s>>
Repair the (G304) Front Axle Lock Control circuit for a short
to ground.
Perform the TRANSFER CASE VERIFICATION TEST-VER
1. (Refer to 21 - TRANSMISSION/TRANSAXLE/TRANSFER
CASE - STANDARD PROCEDURE)
No>>
Go To 4
5.TOTALLY INTEGRATED POWER MODULE (TIPM)
Using the wiring diagram/schematic as a guide, inspect all wiring and connectors that pertain to this circuit.
Were any problems found?
Ye s>>
Repair as necessary.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1. (Refer to 21 - TRANSMISSION/TRANS-
AXLE/TRANSFER CASE - STANDARD PROCEDURE)
No>>
Replace the Totally Integrated Power Module (TIPM) in accordance with theService Information.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1. (Refer to 21 - TRANSMISSION/TRANS-
AXLE/TRANSFER CASE - STANDARD PROCEDURE)

6.FRONT AXLE DISCONNECT (FAD) MODULE
Using the wiring diagram/schematic as a guide, inspect all wiring and connectors that pertain to this circuit.
Were any problems found?
Ye s>>
Repair as necessary.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1. (Refer to 21 - TRANSMISSION/TRANS-
AXLE/TRANSFER CASE - STANDARD PROCEDURE)
No>>
Replace the Front Axle Disconnect (FAD) Module in accordance with the Service Information.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1. (Refer to 21 - TRANSMISSION/TRANS-
AXLE/TRANSFER CASE - STANDARD PROCEDURE)
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 specifictothiscircuit.
Wiggle test the wiring harness and connectors while checking for shorted and open circuits.
Using the scan tool, 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?
Ye s>>
Repair as necessary.
Perform the TRANSFER CASE VERIFICATION TEST-VER 1. (Refer to 21 - TRANSMISSION/TRANS-
AXLE/TRANSFER CASE - STANDARD PROCEDURE)
No>>
Te s t C o m p l e t e .

C146A–FRONT AXLE DISCONNECTRETURN CONTROL CIRCUIT OPEN
For a complete wiring diagramRefer to Section 8W.

When Monitored:
The ignition on. T-Case Switch in 4W/LO position.
Set Condition:
The TIPM detects that the Front Axle Lock Signal circuit is shorted low.
Possible Causes
(A880) FUSED B+ CIRCUIT OPEN
(G303) FRONT AXLE LOCK SIGNAL CIRCUIT OPEN
(G304) FRONT AXLE LOCK CONTROL CIRCUIT OPEN
FRONT AXLE DISCONNECT (FAD) MODULE
TOTALLY INTEGRATED POWER MODULE (TIPM)
Diagnostic Test
1.ACTIVE DTC
CAUTION: Before removing the TIPM harness connectors, clean the connector and locking cam area of dirt
and debris. Failure to do so can result in the connector being jammed or damage to the locking cams on
the harness connector or module. Do not force the assist arm when releasingor installing the harness con-
nector.
Ignition on, engine not running.
With the scan tool, read the TIPM DTCs.
Is the status Active for this DTC?
Ye s>>
Go To 2
No>>
Go To 6
2.(A880) FUSED B+ OPEN
Turn the ignition off to the lock position.
Disconnect the FAD harness connector.
Ignition on, engine not running.
With the scan tool, actuate the Front Axle Lock Signal in the TIPM.
Using a 12-volt test light connected to ground, check the (A880) Front
Axle Lock Signal circuit in the FAD harness connector.
Does the test light illuminate brightly?
Ye s>>
Go To 3
No>>
Repair the (A880) Fused B+ circuit for an open.
Perform the TRANSFER CASE VERIFICATION TEST-VER
1. (Refer to 21 - TRANSMISSION/TRANSAXLE/TRANSFER
CASE - STANDARD PROCEDURE)

3.(G304) FRONT AXLE LOCK CONTROL CIRCUIT
Using a 12-volt test light, jump across from the (A880) Fused B+ circuit
and the G304 Front Axle Lock Control circuit in the FAD harness con-
nector.
With the scan tool, actuate the Front Axle Lock in the TIPM.
Does the test light illuminate brightly and flash on and off?
Ye s>>
Go To 4
No>>
Go To 6
4.(G303) FRONT AXLE LOCK SIGNAL CIRCUIT
Turn the ignition off to the lock position.
Connect the FAD harness connector.
Using a 12-volt test light connected to ground, backprobe the (G303)
Front Axle Lock Signal circuit in the TIPM C4 harness connector.
Ignition on, engine not running.
With the scan tool, actuate the Front Axle Lock in the TIPM.
Does the test light illuminate brightly?
Ye s>>
Go To 8
No>>
Go To 5