DODGE RAM SRT-10 2006 Service User Guide
Manufacturer: DODGE, Model Year: 2006, Model line: RAM SRT-10, Model: DODGE RAM SRT-10 2006Pages: 5267, PDF Size: 68.7 MB
Page 11 of 5267

3.PCM
NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal
push out. Repair as necessary.
Using the schematics as a guide, inspect the wire harness and connectors. Pay particular attention to all Power and
Ground circuits.
Were there any problems found?
Ye s>>
Repair as necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
No>>
Replace and program the Powertrain Control Module per Service Information.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
Page 12 of 5267

P0685-AUTO SHUTDOWN RELAY CONTROL CIRCUIT
For a complete wiring diagramRefer to Section 8W.
Page 13 of 5267

When Monitored:
With ignition on. Battery voltage above 10 volts.
Set Condition:
The actual ASD state is not equal to the desired ASD state. One Trip Fault. Three good trips to turn off the
MIL.
Possible Causes
INTERNAL FUSED B+ CIRCUITS
(K51) ASD RELAY CONTROL CIRCUIT OPEN
(K51) ASD RELAY CONTROL CIRCUIT SHORTED TO GROUND
ASD RELAY
PCM
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING).
Diagnostic Test
1.ASD RELAY OPERATION
Ignition on, engine not running.
With a scan tool, actuate the ASD Relay.
Is the ASD Relay operating?
Ye s>>
Refer to the INTERMITTENT CONDITION Diagnostic Procedure.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
No>>
Go To 2
2.INTERNAL FUSED B+ CIRCUITS
Turn the ignition off.
Remove the ASD Relay from the IPM.
Using a 12-volt test light connected to ground, probe the Internal Fused
B+ circuits in the IPM.
Does the test light illuminate brightly?
Ye s>>
Go To 3
No>>
Repair the open or short to ground in the Internal Fused B+
circuits. Inspect and replace any open fuses.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to
9 - ENGINE - STANDARD PROCEDURE)
3.ASD RELAY
Measure the resistance of the ASD Relay Coil.
Is the resistance between 60 to 80 ohms?
Ye s>>
Go To 4
No>>
Replace the ASD Relay.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
Page 14 of 5267

4.(K51) ASD RELAY CONTROL CIRCUIT OPEN
Disconnect the C3 PCM harness connector.
CAUTION: Do not probe the PCM harness connectors. Probing the
PCM harness connectors will damage the PCM terminals resulting
in poor terminal to pin connection. Install Miller Special Tool #8815
to perform diagnosis.
Measure the resistance of the (K51) ASD Relay Control circuit from the
IPM to the appropriate terminals of special tool #8815.
Is the resistance below 5.0 ohms?
Ye s>>
Go To 5
No>>
Repair the open in the (K51) ASD Relay Control circuit.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to
9 - ENGINE - STANDARD PROCEDURE)
5.(K51) ASD RELAY CONTROL CIRCUIT SHORTED TO GROUND
Measure the resistance between ground and the (K51) ASD Relay Con-
trol circuit in the IPM.
Istheresistancebelow100ohms?
Ye s>>
Repair the short to ground in the (K51) ASD Relay Control
circuit.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to
9 - ENGINE - STANDARD PROCEDURE)
No>>
Go To 6
Page 15 of 5267

6.PCM
NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal
push out. Repair as necessary.
Using the schematics as a guide, inspect the wire harness and connectors. Pay particular attention to all Power and
Ground circuits.
Were there any problems found?
Ye s>>
Repair as necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
No>>
Replace and program the Powertrain Control Module per Service Information.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
Page 16 of 5267

P0688-AUTO SHUTDOWN RELAY SENSE CIRCUIT LOW
For a complete wiring diagramRefer to Section 8W.
Page 17 of 5267

When Monitored:
With ignition key on. Battery voltage greater than 10 volts.
Set Condition:
No voltage sensed at the PCM when the ASD relay is energized. One Trip Fault.Three good trips to turn off
the MIL.
Possible Causes
INTERNAL FUSED B+ CIRCUITS
(K342) ASD RELAY OUTPUT CIRCUIT OPEN
ASD RELAY
PCM
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING).
Diagnostic Test
1.VERIFY ASD DTC
NOTE: Diagnose P0685 - Auto Shutdown Relay Control Circuit first if it set along with this DTC.
With a scan tool, erase the DTC.
Attempt to start the engine. If the engine will not start, crank the engine for at least 15 seconds. It may be neces-
sary to repeat several times.
Does the DTC reset?
Ye s>>
Go To 2
No>>
Refer to the INTERMITTENT CONDITION Diagnostic Procedure.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
2.ENGINE OPERATION
Attempt to start the engine.
Doestheenginestart?
Ye s>>
Go To 3
No>>
Go To 4
Page 18 of 5267

3.(K342) ASD RELAY OUTPUT CIRCUIT OPEN
Turn the ignition off.
Remove the ASD Relay.
Disconnect the C3 PCM harness connector.
CAUTION: Do not probe the PCM harness connectors. Probing the
PCM harness connectors will damage the PCM terminals resulting
in poor terminal to pin connection. Install Miller Special Tool #8815
to perform diagnosis.
Measure the resistance of the (K342) ASD Relay Output circuit from the
Relay connection to the appropriate terminals of special tool #8815.
Is the resistance below 5.0 ohms?
Ye s>>
Go To 7
No>>
Repair the open in the (K342)ASD Relay Output circuit.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to
9 - ENGINE - STANDARD PROCEDURE)
4.ASD RELAY
Turn the ignition off.
Install a substitute relay in place of the ASD Relay.
Ignition on, engine not running.
With a scan tool, erase DTCs.
Attempt to start the engine.
With a scan tool, read DTCs.
Does the DTC reset?
Ye s>>
Go To 5
No>>
Replace the ASD Relay.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
Page 19 of 5267

5.INTERNAL FUSED B+ CIRCUITS
Turn the ignition off.
Using a 12-volt test light connected to ground, probe the Internal Fused
B+ circuits at the Relay connection.
Does the test light illuminate brightly?
Ye s>>
Go To 6
No>>
Repair the open or short to ground in the Internal Fused B+
circuits. Inspect the related fuse and repair as necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to
9 - ENGINE - STANDARD PROCEDURE)
6.(K342) ASD RELAY OUTPUT CIRCUIT OPEN
Disconnect the C3 PCM harness connector.
CAUTION: Do not probe the PCM harness connectors. Probing the
PCM harness connectors will damage the PCM terminals resulting
in poor terminal to pin connection. Install Miller Special Tool #8815
to perform diagnosis.
Measure the resistance of the (K342) ASD Relay Output circuit from the
Relay connection to the appropriate terminals of special tool #8815.
Is the resistance below 5.0 ohms?
Ye s>>
Go To 7
No>>
Repair the open in the (K342)ASD Relay Output circuit.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to
9 - ENGINE - STANDARD PROCEDURE)
Page 20 of 5267

7.PCM
NOTE: Before continuing, check the PCM harness connector terminals for corrosion, damage, or terminal
push out. Repair as necessary.
Using the schematics as a guide, inspect the wire harness and connectors. Pay particular attention to all Power and
Ground circuits.
Were there any problems found?
Ye s>>
Repair as necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
No>>
Replace and program the Powertrain Control Module per Service Information.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)