DODGE RAM SRT-10 2006 Service Repair Manual

Page 1341 of 5267

3.(K342) ASD CONTROL OUTPUT CIRCUIT
Turn the ignition off
Connect the C2 TIPM harness connector.
Ignition on, engine not running.
Back probe the C10 TIPM harness connector at the (K342) ASD Control Output circuit terminal and measure the
voltage on the (K342) ASD Control Output circuit.
Is the voltage above 10 volts?
Ye s>>
Go To 4
No>>
Go To 7
4.(K342) ASD CONTROL OUTPUT CIRCUIT OPEN TO THE FUEL INJECTORS
Measure the resistance of the (K342) ASD Control Output circuit from
the C10 TIPM harness connector to the each Fuel Injector.
Is the resistance above 5.0 ohms at any of the Fuel Injector
harness connectors?
Ye s>>
Repair the open in the (K342) ASD Control Output circuit to
the appropriate Fuel Injector.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to
9 - ENGINE - STANDARD PROCEDURE)
No>>
Go To 5
5.(K342) ASD CONTROL OUTPUT CIRCUIT OPEN TO THE IGNITION COILS
Measure the resistance of the (K342) ASD Control Output circuit from
the C10 TIPM harness connector to the each Ignition Coil.
Is the resistance above 5.0 ohms at any of the Ignition Coil
harness connectors?
Ye s>>
Repair the open in the (K342) ASD Control Output circuit to
the appropriate Ignition Coil.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to
9 - ENGINE - STANDARD PROCEDURE)
No>>
Go To 6

Page 1342 of 5267

6.PCM
Disconnect C3 NGC 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 Control Output circuit from
the C10 TIPM harness connector to the appropriate terminals of special
tool #8815.
Does the voltage change to below 10 volts when the C3 NGC
harness connector is disconnected?
Ye s>>
Replace and program the Powertrain Control Module in
accordance with Service Information.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to
9 - ENGINE - STANDARD PROCEDURE)
No>>
Repair the short to voltage in the (K342) ASD Control Out-
put circuit.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to
9 - ENGINE - STANDARD PROCEDURE)
7.TOTALLY INTEGRATED POWER MODULE
NOTE: Before continuing, check the TIPM 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 allPower and voltage circuits.
Were any problems found?
Ye s>>
Repair as necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
No>>
Replace the Totally Integrated Power Module per Service Information.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

Page 1343 of 5267

P126E-ASD CONTROL CIRCUIT OVERCURRENT
For a complete wiring diagramRefer to Section 8W.

Page 1344 of 5267

When Monitored:
With the ignition on. Battery voltage greater than 10 volts.
Set Condition:
An overcurrent condition is detected in the ASD control circuit. One Trip Fault. Three good trips to turn off the
MIL.
Possible Causes
(K342) ASD CONTROL OUTPUT CIRCUIT EXCESSIVE RESISTANCE
FUEL INJECTOR
IGNITION COIL
PCM
TIPM
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING).
Diagnostic Test
1.ACTIVE DTC
Ignition on, engine not running.
With a scan tool, read DTCs.
Is the DTC active at this time?
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.ASD OPERATION FROM THE PCM
Turn the ignition off.
Disconnect the C2 TIPM harness connector.
Ignition on, engine not running.
Using the scan tool under the PCM Actuators, actuate the ASD Circuit.
With a 12-volt test light connected to voltage, probe the (K51) ASD
Control circuit in the TIPM C2 harness connector.
Does the test light illuminate brightly and flash on an off?
Ye s>>
Go To 3
No>>
Perform the Diagnostic Procedure for P0685-ASD CON-
TROL CIRCUIT. (Refer to 9 - ENGINE - DIAGNOSIS AND
TESTING)

Page 1345 of 5267

3.(K342) ASD CONTROL OUTPUT CIRCUIT
Turn the ignition off
Connect the C2 TIPM harness connector.
Ignition on, engine not running.
Back probe the C10 TIPM harness connector at the (K342) ASD Control Output circuit terminal and measure the
voltage on the (K342) ASD Control Output circuit.
Is the voltage above 10 volts?
Ye s>>
Go To 4
No>>
Go To 7
4.(K342) ASD CONTROL OUTPUT CIRCUIT VOLTAGE DROP TO THE FUEL INJECTORS
Turn the ignition off.
With a voltmeter, use Negative lead of the voltmeter along with terminal probe tool #6801, backprobe the (K342)
ASD Control Output circuit at a Fuel Injector harness connector.
With the Positive lead of the voltmeter along with terminal probe tool #6801, back probe the (K342) ASD Control
Output circuit at the C10 TIPM harness connector.
Start the engine and allow it to idle.
WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands
near the pulleys, belts, or fan. Do notwear loose clothing. Failure to follow these instructions can result in
personal injury or death.
Measure the voltage of the (K342) ASD Control Output circuit.
NOTE: Perform the test at every fuel injector.
Is the voltage above 0.001 of a volt (1.0mV) for any of the Fuel Injector ASD Control Output circuits?
Ye s>>
Repair the excessive resistance in the (K342) ASD Control Output circuit to the appropriate Fuel Injec-
tor.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
No>>
Go To 5
5.(K342) ASD CONTROL OUTPUT CIRCUIT VOLTAGE DRIP TO THE IGNITION COILS
Turn the Ignition off.
With a voltmeter, use Negative lead of the voltmeter along with terminal probe tool #6801, backprobe the (K342)
ASD Control Output circuit at a Ignition Coil harness connector.
With the Positive lead of the voltmeter along with terminal probe tool #6801, back probe the (K342) ASD Control
Output circuit at the C10 TIPM harness connector.
Start the engine and allow it to idle.
WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands
near the pulleys, belts, or fan. Do notwear loose clothing. Failure to follow these instructions can result in
personal injury or death.
Measure the voltage of the (K342) ASD Control Output circuit.
NOTE: Perform the test at every Ignition Coil.
Is the voltage above 0.001 of a volt (1.0mV) for any of the Ignition Coil ASD Control Output circuits?
Ye s>>
Repair the excessive resistance in the (K342) ASD Control Output circuit to the appropriate Ignition Coil.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
No>>
Go To 6

Page 1346 of 5267

6.PCM Turn the ignition off.
Disconnect C3 NGC 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 and #8815-1
to perform diagnosis.
With a voltmeter, use Negative lead of the voltmeter along with terminal probe tool #6801, probe the (K342) ASD
Control Output circuit at the appropriate terminals of special tool #8815.
With the Positive lead of the voltmeter along with terminal probe tool #6801, back probe the (K342) ASD Control
Output circuit at the C10 TIPM harness connector.
Start the engine and allow it to idle.
WARNING: When the engine is operating, do not stand in direct line with the fan. Do not put your hands
near the pulleys, belts, or fan. Do notwear loose clothing. Failure to follow these instructions can result in
personal injury or death.
Measure the voltage of the (K342) ASD Control Output circuit.
Is the voltage above 0.001 of a volt (1.0mV) for any of the Ignition Coil ASD Control Output circuits?
Ye s>>
Repair the excessive resistance in the (K342) ASD Control Output circuit tothePCM.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
No>>
Replace and program the Powertrain Control Module in accordance with Service Information.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
7.TOTALLY INTEGRATED POWER MODULE
NOTE: Before continuing, check the TIPM 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 allPower and voltage circuits.
Were any problems found?
Ye s>>
Repair as necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
No>>
Replace the Totally Integrated Power Module per Service Information.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)

Page 1347 of 5267

P1272-A/C CLUTCH CONTROL CIRCUIT 2 LOW
For a complete wiring diagramRefer to Section 8W.

Page 1348 of 5267

When Monitored:
With the ignition on. Battery voltage greater than 10 volts. A/C Switch on.
Set Condition:
A shorted condition is detected in the A/C clutch relay control circuit. One Trip Fault. Three good trips to turn
off the MIL.
Possible Causes
(C3) A/C COMPRESSOR CLUTCH CONTROL CIRCUIT SHORTED TO GROUND
A/C COMPRESSOR CLUTCH
TIPM
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING).
Diagnostic Test
1.A/C COMPRESSOR CLUTCH OPERATION
Ignition on, engine not running.
With a scan tool under the PCM Actuators, actuate the A/C Clutch.
Is the A/C Clutch actuating?
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.A/C CLUTCH CONTROL OPERATION FROM THE PCM
Turn the ignition off.
Disconnect the C2 TIPM harness connector.
Ignition on, engine not running.
Using the scan tool under the PCM Actuators, actuate the A/C Clutch.
With a 12-volt test light connected to ground, probe the (C13) A/C
Clutch Control circuit in the C2 TIPM harness connector.
Does the test light illuminate brightly and flash on an off?
Ye s>>
Go To 3
No>>
Perform the Diagnostic Procedure for P0645-A/C CLUTCH
CONTROL CIRCUIT. (Refer to 9 - ENGINE - DIAGNOSIS
AND TESTING)

Page 1349 of 5267

3.(C3) A/C CLUTCH CONTROL OUTPUT CIRCUIT SHORTED TO GROUND
Turn the ignition off
Disconnect the C9 TIPM harness connector.
Disconnect the A/C Compressor Clutch harness connector.
Measure the resistance between ground and the (C3) A/C Clutch Con-
trol Output circuit at the A/C Compressor Clutch harness connector.
Istheresistancebelow100ohms?
Ye s>>
Repair the short to ground in the (C3) A/C Clutch Control
Output circuit.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to
9 - ENGINE - STANDARD PROCEDURE)
No>>
Go To 4
4.A/C COMPRESSOR CLUTCH
Connect the C2 and C9 TIPM harness connectors.
Ignition on, engine not running.
Using the scan tool under the TIPM Actuators, actuate the A/C Clutch.
With a 12-volt test light connected to ground, probe the (C3) A/C Clutch
Control Output circuit at the A/C Compressor Clutch harness connector.
Does the test light illuminate brightly and flash on and off?
Ye s>>
Replace the A/C Compressor Clutch per Service Informa-
tion.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to
9 - ENGINE - STANDARD PROCEDURE)
No>>
Go To 5
5.TOTALLY INTEGRATED POWER MODULE
NOTE: Before continuing, check the TIPM 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 any problems found?
Ye s>>
Repair as necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
No>>
Replace the Totally Integrated Power Module per Service Information.
Perform the BODY VERIFICATION TEST – VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)

Page 1350 of 5267

P1273-A/C CLUTCH CONTROL CIRCUIT 2 HIGH
For a complete wiring diagramRefer to Section 8W.

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