DODGE RAM SRT-10 2006 Service Repair Manual
Page 811 of 5267
6.SIGNAL CIRCUIT SHORTED TO GROUND
Measure the resistance between the APPS 1 signal circuit at the sensor
connector and battery negative.
Is the resistance greater than 100 K ohms?
Ye s>>
Go To 7
No>>
Repair the shorted harness.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
7.SIGNAL CIRCUIT SHORTED TO OTHER CIRCUITS
Measure the resistance between the APPS 1 signal circuit at the ECM
connector and all other circuits in the ECM connector.
Is the resistance greater than 100 K ohms?
Ye s>>
Go To 8
No>>
Repair the shorted signal circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
Page 812 of 5267
8.SUPPLY CIRCUIT SHORTED TO GROUND
Measure the resistance between the APPS 1 supply circuit at the sen-
sor connector and battery negative.
Is the resistance greater than 100 K ohms?
Ye s>>
Go To 9
No>>
Repair the Supply circuit shorted to ground.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
9.SUPPLY CIRCUIT SHORTED TO OTHER CIRCUITS
Measure the resistance between the APPS 1 supply circuit at the ECM
connector and all other circuits in the ECM connector.
Is the resistance greater than 100 K ohms?
Ye s>>
Go To 10
No>>
Repair the supply circuit shorted to other circuits.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
Page 813 of 5267
10.RETURN CIRCUIT OPEN
Measure the resistance on the APPS 1 return circuit between the sen-
sor connector and the ECM connector.
Is the resistance less than 10 ohms?
Ye s>>
Go To 11
No>>
Repair the open return circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
11 .SIGANAL CIRCUIT SHORTED TO SUPPLY CIRCUIT
Measure the resistance between the APPS 1 signal circuit in the sensor
connector and the PPS 1 supply circuit in the sensor connector.
Is the resistance greater than 100 K ohms?
Ye s>>
Go To 12
No>>
Repair the signal circuit shorted to the supply.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
Page 814 of 5267
12.RETURN CIRCUIT SHORTED TO OTHER CIRCUITS
Measure the resistance between the APPS 1 return circuit at the ECM
connector and all other circuits in the ECM connector.
Ye s>>
Go To 13
No>>
Repair the return circuit shorted to other circuits.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
13.OPEN SIGNAL CIRCUIT
Measure the resistance of the APPS 2 signal circuit between the APPS
sensor connector and the ECM connector.
Ye s>>
Go To 14
No>>
Repair or Replace the harness.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
Page 815 of 5267
14.OPEN SUPPLY CIRCUIT
Measure the resistance of the APPS 2 supply circuit between the APPS
sensor connector and the ECM connector.
Is the resistance less than 10 ohms?
Ye s>>
Go To 15
No>>
Repair or replace the open harness.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
15.SIGNAL CIRCUIT SHORTED TO GROUND
Measure the resistance between the APPS 2 signal circuit at the sensor
connector and battery negative.
Is the resistance greater than 100 K ohms?
Ye s>>
Go To 16
No>>
Repair the shorted harness.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
Page 816 of 5267
16.SIGNAL CIRCUIT SHORTED TO OTHER CIRCUITS
Measure the resistance between the APPS 2 signal circuit at the ECM
connector and all other circuits in the ECM connector.
Is the resistance greater than 100 K ohms?
Ye s>>
Go To 17
No>>
Repair the shorted signal circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
17.SUPPLY CIRCUIT SHORTED TO GROUND
Measure the resistance between the APPS 2 supply circuit at the sen-
sor connector and battery negative.
Is the resistance greater than 100 K ohms?
Ye s>>
Go To 18
No>>
Repair the Supply circuit shorted to ground.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
Page 817 of 5267
18.SUPPLY CIRCUIT SHORTED TO OTHER CIRCUITS
Measure the resistance between the APPS 2 supply circuit at the ECM
connector and all other circuits in the ECM connector.
Is the resistance greater than 100 K ohms?
Ye s>>
Go To 19
No>>
Repair the supply circuit shorted to other circuits.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
19.RETURN CIRCUIT OPEN
Measure the resistance on the APPS 2 return circuit between the sen-
sor connector and the ECM connector.
Is the resistance less than 10 ohms?
Ye s>>
Go To 20
No>>
Repair the open return circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
Page 818 of 5267
20.SIGANAL CIRCUIT SHORTED TO SUPPLY CIRCUIT
Measure the resistance between the APPS 2 signal circuit in the sensor
connector and the PPS 2 supply circuit in the sensor connector.
Is the resistance greater than 100 K ohms?
Ye s>>
Go To 21
No>>
Repair the signal circuit shorted to the supply.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
21.RETURN CIRCUIT SHORTED TO OTHER CIRCUITS
Measure the resistance between the APPS 2 return circuit at the ECM
connector and all other circuits in the ECM connector.
Ye s>>
Go To 22
No>>
Repair the return circuit shorted to other circuits.
Perform POWERTRAIN VERIFICATION TEST VER - 1
(DIESEL). (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/ENGINE CONTROL MODULE - DIAG-
NOSIS AND TESTING)
Page 819 of 5267
22.ECM
Reconnect the ECM connectors.
Reconnect the APPS connector.
Turn Ignition on, engine off.
While monitoring with the scan tool, disconnect the sensor connector.
Did a APPS 1 and APPS 2 voltage too low DTC set?
Ye s>>
Go To 23
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)
23.APPS
Reconnect the APPS connector.
Monitor the APPS 1 and APPS 2 voltage with the scan tool while depressing theacceralator pedal.
Is the voltage transition shown on the scan tool smooth while depressing the acceraaltor and is the
voltage from APPS 1 twice as much as the voltage from APPS 2?
Ye s>>
Refer to the INTERMITTENT CONDITION Symptom (Diagnostic Procedure). (Refer to 9 - ENGINE -
DIAGNOSIS AND TESTING)
No>>
Replace the APPS.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ELEC-
TRONIC CONTROL MODULES/ENGINE CONTROL MODULE - DIAGNOSIS AND TESTING)
Page 820 of 5267
P2122-PPS 1 VOLTAGE TOO LOW
For a complete wiring diagramRefer to Section 8W.