2006 DODGE RAM SRT-10 battery

When Monitored:
When the ignition is on.
Set Condition:
When the signal from the A/C Clutch output does not match the signal from theA/C Clutch feedback.
Possible Causes
WIRING HARNESS OR CONNECTIONS
A/C CLUTCH CIRCUIT SHORTED TO EXTERNAL VOLTAGE
TIPM
ECM
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING)
Diagnostic Test
1.A/C CLUTCH CIRCUIT SHORTED TO EXTERNAL VOLTAGE
Ignition off.
Disconnect the ECM and TIPM connectors.
NOTE: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
Using a Voltmeter, measure the voltage of the A/C Clutch Control Circuit between the TIPM connector and battery
negative..
Is the voltage less than 1 volt?
Ye s>>
Go To 2
Ye s>>
Repair or Replace the wiring harness.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
2.ECM
Ignition off.
Connect the ECM and TIPM connectors.
Ignition on, engine not running.
Using a back probing tool 6801, back probe the A/C clutch control circuit inthe TIPM connector.
Using a 12 volt test light connected to battery positive, check the transmission control circuit at the TIPM connector
while actuating the A/C clutch circuit with the Electronic Service Tool.
NOTE: The test light must illuminate brightly.
Compare the brightness to that of a direct connection to the battery.
Does the test light illuminate brightly?
Ye s>>
Go To 3
No>>
Replace the ECM.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)

3.TIPM
Using a back probing tool 6801, back probe the A/C clutch power circuit in the TIPM connector.
Using a 12 volt test light connected to battery positive, check the transmission power circuit at the TIPM connector
while actuating the A/C clutch circuit with the Electronic Service Tool.
NOTE: The test light must illuminate brightly.
Compare the brightness to that of a direct connection to the battery.
Does the test light illuminate brightly?
Ye s>>
Te s t c o m p l e t e .
Perform Intermittent Condition test. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)
No>>
Replace the TIPM.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)

2.(F855) #1 5-VOLT SUPPLY SHORTED TO GROUND
Disconnect the Pressure sensors harness connectors and the engine
position sensor.
Measure the resistance between the (F855) #1 sensor supply circuits at
the ECM harness connector and battery negative.
Is the resistance greater than 100K Ohms?
Ye s>>
Go To 3
No>>
Repair the harness.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
3.FUEL RAIL PRESSURE
Reconnect the ECM harness connector.
While monitoring with the scan tool, disconnect the fuel rail pressure sensor.
Is DTC P0652 set?
Ye s>>
Go To 4
No>>
Replace the Fuel rail pressure sensor.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
4.A/C PRESSURE SENSOR
While monitoring with the scan tool, disconnect the A/C pressure sensor.
Is DTC P0652 set?
Ye s>>
Go To 5
No>>
Replace the A/C pressure sensor.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)

2.(F855) 5-VOLT SUPPLY SHORTED TO VOLTAGE
Key off.
Disconnect the sensor connectors for each pressure sensor, and the
engine position sensor.
Disconnect the ECM 50 way harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Ignition on, engine off.
Measure the voltage between the supply circuit at each pressure sensor
harness connector and battery negative.
Measure voltage between the (F853) 5-volt supply circuit at the engine
position sensor harness connector and battery negative.
Is the voltage less than 1 volt?
Ye s>>
Go To 3
No>>
Repair the (F855) 5-volt supply shorted to voltage.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
3.SENSOR SUPPLY SHORTED TO VOLTAGE IN HARNESS
Measure the resistance between the #1 sensor supply circuit and all
other circuit in the ECM connectors.
Is the resistance less than 10 ohms?
Ye s>>
Refer to the INTERMITTENT CONDITION Symptom (Diag-
nostic Procedure). (Refer to 9 - ENGINE - DIAGNOSIS
AND TESTING)
No>>
Repair the harness shorted to voltage.

For a complete wiring diagramRefer to Section 8W.
When Monitored:
With engine running.
Set Condition:
Low voltage detected at the APPS supply circuit or low voltage detected at the APPS 1 5–volt supply.
Possible Causes
(F855) APPS 5-VOLT SUPPLY OPEN
APPS HIGH RESISTANCE
(F855) 5-VOLT SUPPLY CIRCUIT SHORTED TO (K922) RETURN CIRCUIT
(F855) 5-VOLT SUPPLY CIRCUIT SHORTED TO BATTERY NEGATIVE
ECM
INTERMITTENT CONDITION
(F855) 5-VOLT SUPPLY CIRCUIT SHORTED TO OTHER CIRCUITS
APPS
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING)
1.(F855) 5-VOLT SUPPLY CIRCUIT SHORTED TO BATTERY NEGATIVE
Turn the ignition off.
Disconnect the ECM harness connectors.
Disconnect the APPS harness connector.
Check connectors - Clean/repair as necessary.
Measure the resistance of the APPS1 (F855) 5-volt supply circuit
between the sensor harness connector and battery negative
Is the resistance greater than 100 k ohms?
Ye s>>
Go To 2
No>>
Repair the (F855) 5-volt supply circuit shorted to battery
negative.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)

For a complete wiring diagramRefer to Section 8W.
When Monitored:
Whileengineisrunning.
Set Condition:
High voltage detected at the APPS supply circuit.
Possible Causes
(F855) 5-VOLT SUPPLY OPEN
(F855) 5-VOLT SUPPLY SHORT TO VOLTAGE
ECM
INTERMITTENT CONDITION
Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING)
1.(F855) 5-VOLT SUPPLY OPEN
Turn the ignition off.
Disconnect the APPS harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
Measure the voltage between the (F855) APPS #1 5-volt supply circuit
at the sensor connector and battery negative.
Is the voltage between 4.5 and 5.5 volts?
Ye s>>
Replace the APPS.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
No>>
Go To 2
2.(F855) 5-VOLT SUPPLY SHORT TO VOLTAGE
Turn the ignition off.
Disconnect the ECM harness connector(s).
NOTE: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
Measure the voltage between the (F855) APPS #1 5-volt supply circuit
in the sensor harness connector and battery negative.
Is the voltage less than 1 volt?
Ye s>>
Go To 3
No>>
Repair or replace the wiring harness.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)

3.ECM
Turn the ignition off.
Reconnect the ECM harness connector(s).
Ignition on, engine not running.
Measure the voltage between the (F855) APPS #1 5-volt supply circuit
at the sensor harness connector and battery negative.
Is the voltage greater than 6 volts?
Ye s>>
Replace and program the ECM in accordance with the Ser-
vice Information.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
No>>
Refer to the INTERMITTENT CONDITION Symptom (Diag-
nostic Procedure). (Refer to 9 - ENGINE - DIAGNOSIS
AND TESTING)

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)