ignition DODGE RAM SRT-10 2006 Service Repair Manual

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

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)

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)

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)

When Monitored:
With the ignition on. Battery voltage greater than 10 volts. A/C Switch on.
Set Condition:
A shorted high condition has been detected in the A/C Clutch Control outputcircuit by the TIPM. One Trip
Fault. Three good trips to turn off the MIL.
Possible Causes
(C3) A/C CLUTCH CONTROL OUTPUT CIRCUIT SHORTED TO BATTERY VOLTAGE
EXCESSIVE RESISTANCE IN THE (Z153) A/C CLUTCH GROUND CIRCUIT
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 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 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 P0645-A/C CLUTCH
CONTROL CIRCUIT. (Refer to 9 - ENGINE - DIAGNOSIS
AND TESTING)

3.(C3) A/C CLUTCH CONTROL OUTPUT CIRCUIT SHORTED TO BATTERY VOLTAGE
Turn the ignition off
Disconnect the C9 TIPM harness connector.
Disconnect the A/C Compressor Clutch harness connector.
Ignition on, engine not running.
Measure the voltage on the (C3) A/C Clutch Control Output circuit at the
A/C Compressor Clutch harness connector.
Is any voltage present?
Ye s>>
Repair the short to battery voltage 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 CLUTCH GROUND CIRCUIT OPEN
Turn the ignition off.
Connect the C2 and C9 TIPM harness connectors.
Using a 12-volt test light connected to 12-volts, probe the (Z153) A/C
Clutch ground circuit at the A/C Compressor Clutch harness connector.
Does the test light illuminate brightly?
Ye s>>
Go To 5
No>>
Repair the excessive resistance in the (Z153) A/C Clutch
ground circuit.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to
9 - ENGINE - STANDARD PROCEDURE)
5.A/C COMPRESSOR CLUTCH
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 6

When Monitored:
With the ignition on. Battery voltage greater than 10.4 volts. TIPM requesting A/C Clutch operation.
Set Condition:
An open condition has been detected in the A/C Clutch Control Output circuit by the TIPM. One Trip Fault.
Three good trips to turn off the MIL.
Possible Causes
(C3) A/C CLUTCH CONTROL OUTPUT CIRCUIT OPEN
A/C CLUTCH
TIPM
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING).
Diagnostic Test
1.A/C 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)

3.(C3) A/C CLUTCH CONTROL OUTPUT CIRCUIT OPEN
Turn the ignition off
Disconnect the TIPM C9 harness connector.
Disconnect the A/C Clutch harness connector.
Measure the resistance of the (C3) A/C Clutch Control Output circuit
between the TIPM C9 harness connector and the A/C Clutch harness
connector.
Is the resistance below 5.0 ohms?
Ye s>>
Go To 4
No>>
Repair the open in the (C3) A/C Clutch Control Output cir-
cuit.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to
9 - ENGINE - STANDARD PROCEDURE)
4.A/C 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 Clutch harness connector.
Does the test light illuminate brightly and flash on and off?
Ye s>>
Replace the A/C Clutch in accordance with the Service
Information.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to
9 - ENGINE - STANDARD PROCEDURE)
No>>
Go To 5

When Monitored:
With the ignition on. Battery voltage greater than 10.4 volts. TIPM requesting A/C Clutch operation.
Set Condition:
An overcurrent condition is detected in the A/C Clutch control output circuit. One Trip Fault. Three good trips
to turn off the MIL.
Possible Causes
TERMINAL DAMAGE OR CORROSION
A/C CLUTCH GROUND HIGH RESISTANCE
(C3) A/C CLUTCH CONTROL OUTPUT CIRCUIT HIGH RESISTANCE
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 CLUTCH OPERATION
Ignition on, engine not running.
With a scan tool in the TIPM 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.VISUAL AND PHYSICAL CONNECTOR AND TERMINAL INSPECTION
Turn the ignition off.
Disconnect the TIPM C9 harness connector.
Disconnect the A/C Clutch harness connector.
Inspect the terminal and connector condition. Check for signs of corrosion build up or damage the would compro-
mise the terminal to controller pin connector.
NOTE: Make sure that all in-line connectors are inspected for corrosion and/or damage.
Visually inspect the wiring harness. Look for any chafed, pierced, pinched or partially broken wires hidden in the
wire insulation.
Were any of the above conditions found?
Ye s>>
Repair or replace as necessary.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to 9 - ENGINE - STANDARD PROCEDURE)
No>>
Go To 3

3.(C3) A/C CLUTCH CONTROL OUTPUT CIRCUIT EXCESSIVE RESISTANCE
With a jumper wire, connect one end to the (C3) A/C Clutch Control
Output circuit in the A/C Clutch harness connector and the other to a
clean chassis ground.
Using a 12-volt test light connected to battery voltage, probe the (C3)
A/C Clutch Control Output circuit in the TIPM C9 harness connector.
NOTE: The test light should be illuminated and bright. Compared
the brightness to that of a direct connection to the battery.
Does the test light illuminate brightly.
Ye s>>
Go To 4
No>>
Repair the excessive resistance in the (C3) A/C Clutch Con-
trol Output circuit.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to
9 - ENGINE - STANDARD PROCEDURE).
4.A/C CLUTCH GROUND CIRCUIT
Using a 12-volt test light connected to battery voltage, probe the (Z153)
A/C Clutch Ground circuit in the A/C Clutch harness connector.
NOTE: The test light should be illuminated and bright. Compared
the brightness to that of a direct connection to the battery.
Does the test light illuminate brightly.
Ye s>>
Go To 5
No>>
Repair the excessive resistance in the (Z153) A/C Clutch
Ground circuit.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to
9 - ENGINE - STANDARD PROCEDURE)
5.A/C CLUTCH CONTROL OUTPUT FROM TIPM
Reconnect the TIPM C9 harness connector.
Ignition on, engine not running.
With a scan tool in the TIPM Actuators, actuate the A/C Clutch.
Using the 12-Volt test light connected to ground, probe the (C3) A/C
Clutch Control Output circuit in the A/C Clutch harness connector.
Does the test light illuminate brightly?
Ye s>>
Replace the A/C Clutch.
Perform the POWERTRAIN VERIFICATION TEST. (Refer to
9 - ENGINE - STANDARD PROCEDURE)
No>>
Replace the TIPM in accordance with the Service Informa-
tion.
Perform the BODY VERIFICATION TEST – VER 1. (Refer
to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES -
STANDARD PROCEDURE)