Dodge Ram Truck 1500-2500-3500. Manual — part 1141
ENGINE - ELECTRICAL DIAGNOSTICS - SRT-10
TABLE OF CONTENTS
page
page
ENGINE - ELECTRICAL DIAGNOSTICS - SRT-10
PRE-DIAGNOSTIC TROUBLESHOOTING
PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . 1488
P0031-O2 SENSOR 1/1 HEATER CIRCUIT
LOW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1491
P0032-O2 SENSOR 1/1 HEATER CIRCUIT
HIGH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1496
P0051-O2 SENSOR 2/1 HEATER CIRCUIT
LOW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1501
P0052-O2 SENSOR 2/1 HEATER CIRCUIT
HIGH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1506
P0071-AMBIENT/BATTERY TEMP SENSOR
PERFORMANCE . . . . . . . . . . . . . . . . . . . . 1511
TOO LOW . . . . . . . . . . . . . . . . . . . . . . . . . 1516
TOO HIGH . . . . . . . . . . . . . . . . . . . . . . . . . 1521
PERFORMANCE . . . . . . . . . . . . . . . . . . . . 1526
VOLTAGE TOO LOW . . . . . . . . . . . . . . . . . 1530
SENSOR CIRCUIT HIGH . . . . . . . . . . . . . . 1534
P0117-ENGINE COOLANT TEMPERATURE
SENSOR CIRCUIT LOW . . . . . . . . . . . . . . . 1539
P0118-ENGINE COOLANT TEMP SENSOR
VOLTAGE TOO HIGH . . . . . . . . . . . . . . . . . 1543
P0121-TP SENSOR VOLTAGE DOES NOT
AGREE WITH MAP . . . . . . . . . . . . . . . . . . 1548
P0122-THROTTLE POSITION SENSOR #1
VOLTAGE TOO LOW . . . . . . . . . . . . . . . . . 1557
P0123-THROTTLE POSITION SENSOR #1
VOLTAGE TOO HIGH . . . . . . . . . . . . . . . . . 1562
P0125-INSUFFICIENT COOLANT TEMP FOR
CLOSED-LOOP FUEL CONTROL . . . . . . . . 1567
P0131-O2 SENSOR 1/1 CIRCUIT VOLTAGE
TOO LOW . . . . . . . . . . . . . . . . . . . . . . . . . 1570
P0132-O2 SENSOR 1/1 CIRCUIT VOLTAGE
TOO HIGH . . . . . . . . . . . . . . . . . . . . . . . . . 1573
RESPONSE . . . . . . . . . . . . . . . . . . . . . . . . 1579
PERFORMANCE . . . . . . . . . . . . . . . . . . . . 1582
P0136-O2 SENSOR 1/2 HEATER CIRCUIT
MALFUNCTION . . . . . . . . . . . . . . . . . . . . . 1586
P0137-O2 SENSOR 1/2 CIRCUIT LOW
P0138-O2 SENSOR 1/2 CIRCUIT HIGH
RESPONSE . . . . . . . . . . . . . . . . . . . . . . . . 1599
PERFORMANCE . . . . . . . . . . . . . . . . . . . . 1602
P0151-O2 SENSOR 2/1 CIRCUIT LOW
P0152-O2 SENSOR 2/1 CIRCUIT HIGH
RESPONSE . . . . . . . . . . . . . . . . . . . . . . . . 1615
PERFORMANCE . . . . . . . . . . . . . . . . . . . . 1618
P0157-O2 SENSOR 2/2 CIRCUIT VOLTAGE
TOO LOW . . . . . . . . . . . . . . . . . . . . . . . . . 1622
P0158-O2 SENSOR 2/2 CIRCUIT VOLTAGE
TOO HIGH . . . . . . . . . . . . . . . . . . . . . . . . . 1626
RESPONSE . . . . . . . . . . . . . . . . . . . . . . . . 1631
PERFORMANCE . . . . . . . . . . . . . . . . . . . . 1634
SENSOR VOLTAGE TOO LOW . . . . . . . . . . 1667
SENSOR VOLTAGE TOO HIGH . . . . . . . . . 1670
P0210-FUEL INJECTOR 10 CIRCUIT
P0300-MULTIPLE CYLINDER MISFIRE
P0320–NO CANK REFERENCE SIGNAL AT
PCM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1818
P0340-CAMSHAFT POSITION SENSOR
CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . . . . . 1837
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ENGINE - ELECTRICAL DIAGNOSTICS - SRT-10
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P0351-IGNITION COIL #1 PRIMARY
CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . . . . . 1845
P0352-IGNITION COIL #2 PRIMARY
CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . . . . . 1849
P0353-IGNITION COIL #3 PRIMARY
CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . . . . . 1853
P0354-IGNITION COIL #4 PRIMARY
CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . . . . . 1857
P0355-IGNITION COIL #5 PRIMARY
CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . . . . . 1861
EFFICIENCY . . . . . . . . . . . . . . . . . . . . . . . 1865
EFFICIENCY . . . . . . . . . . . . . . . . . . . . . . . 1868
P0442-EVAP LEAK MONITOR MEDIUM
(0.040) LEAK DETECTED . . . . . . . . . . . . . . 1875
P0443-EVAP PURGE SOLENOID CIRCUIT
P0455-EVAP LEAK MONITOR LARGE LEAK
DETECTED . . . . . . . . . . . . . . . . . . . . . . . . 1883
P0460-FUEL LEVEL SENDING UNIT NO
CHANGE OVER MILES . . . . . . . . . . . . . . . 1887
P0462-FUEL LEVEL SENDING UNIT VOLTS
TOO LOW . . . . . . . . . . . . . . . . . . . . . . . . . 1888
P0463-FUEL LEVEL SENSOR 1 CIRCUIT
HIGH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1891
CIRCUITS . . . . . . . . . . . . . . . . . . . . . . . . . 1899
P0522-OIL PRESSURE CIRCUIT LOW
P0523-OIL PRESSURE CIRCUIT HIGH
FAILURE . . . . . . . . . . . . . . . . . . . . . . . . . . 1911
SWITCHING PROPERLY . . . . . . . . . . . . . . 1912
P0645-A/C CLUTCH RELAY CIRCUIT
P0801-REVERSE GEAR LOCKOUT CIRCUIT
OPEN OR SHORTED . . . . . . . . . . . . . . . . . 1920
P1195-O2 SENSOR 1/1 SLOW DURING
CATALYST MONITOR . . . . . . . . . . . . . . . . . 1924
P1196-O2 SENSOR 2/1 SLOW DURING
CATALYST MONITOR . . . . . . . . . . . . . . . . . 1927
CONTROL CIRCUIT . . . . . . . . . . . . . . . . . . 1931
P1296-NO 5-VOLTS TO MAP SENSOR
P1297-NO CHANGE IN MAP FROM START
TO RUN . . . . . . . . . . . . . . . . . . . . . . . . . . . 1943
P1388-AUTO SHUTDOWN RELAY CONTROL
CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . . . . . 1949
P1389-NO ASD RELAY OUTPUT VOLTAGE
AT PCM . . . . . . . . . . . . . . . . . . . . . . . . . . . 1952
P1391-INTERMITTENT LOSS OF CMP OR
CKP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1956
P1398-MIS-FIRE ADAPTIVE NUMERATOR
AT LIMIT . . . . . . . . . . . . . . . . . . . . . . . . . . 1960
P1486-EVAP LEAK MONITOR PINCHED
HOSE FOUND . . . . . . . . . . . . . . . . . . . . . . 1963
P1492-AMBIENT/BATTERY TEMPERATURE
SENSOR VOLTAGE TOO HIGH . . . . . . . . . 1966
P1493-AMBIENT/BATTERY TEMPERATURE
SENSOR VOLTAGE TOO LOW . . . . . . . . . . 1970
P1494-LEAK DETECTION PUMP SWITCH
OR MECHANICAL FAULT . . . . . . . . . . . . . . 1973
P1495-LEAK DETECTION PUMP SOLENOID
CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . . . . . 1977
CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . . . . . 1982
P1594-CHARGING SYSTEM VOLTAGE TOO
HIGH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1986
P1598-A/C PRESSURE SENSOR VOLTAGE
TOO HIGH . . . . . . . . . . . . . . . . . . . . . . . . . 1989
P1599-A/C PRESSURE SENSOR VOLTAGE
TOO LOW . . . . . . . . . . . . . . . . . . . . . . . . . 1994
P1682-CHARGING SYSTEM VOLTAGE TOO
LOW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1999
CONTROL MODULE . . . . . . . . . . . . . . . . . . 2007
P1696-PCM FAILURE EEPROM WRITE
DENIED . . . . . . . . . . . . . . . . . . . . . . . . . . . 2010
*BRAKE SWITCH SENSE STATUS DOES
NOT CHANGE ON THE SCAN TOOL . . . . . 2012
*CHECKING A/C SYSTEM OPERATION
WITH NO DTCS . . . . . . . . . . . . . . . . . . . . . 2018
OPERATION WITH NO DTCS . . . . . . . . . . . 2023
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . 2028
GROUNDS . . . . . . . . . . . . . . . . . . . . . . . . . 2030
ENGINE - ELECTRICAL DIAGNOSTICS - SRT-10
DIAGNOSIS AND TESTING
DR/DH
ENGINE - ELECTRICAL DIAGNOSTICS - SRT-10
9 - 1487
PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE
For the Engine circuit diagram (Refer to 9 - ENGINE - SCHEMATICS AND DIAGRAMS).
For a complete wiring diagram Refer to Section 8W.
Diagnostic Test
1.
NO RESPONSE
Make sure the scan tool will communicate with the appropriate modules.
Are you currently experiencing a NO RESPONSE condition?
Yes
>> The NO RESPONSE condition must be properly diagnosed before continuing.
Refer to the appropriate BUS Communication test in Section 8 ELECTRONIC CONTROL MODULES -
ELECTRICAL DIAGNOSTICS.
No
>> Go To 2
2.
NO START
Is the customer complaint a NO START condition?
Yes
>> Check the vehicle for any NO START related PCM DTC(s) or Vehicle Theft Security related DTC(s).
If no Theft related DTC(s) are present, refer to the Non DTC Diagnostic Procedures that relate to Fuel
and Starting.
No
>> Go To 3
3.
VEHICLE HISTORY AND TSB(s)
Continue by reading PCM DTC(s) and record the related Freeze Frame data if any DTC(s) are present.
Whether or not any DTC(s) are present you will want to check the following items which may assist in repairing the
customers complaint successfully.
Check the vehicles repair history.
If the vehicle has a repair history that pertains to the customer’s current complaint, review the repair.
Inpect the vehicle for any aftermarket accessories that may have been installed incorrectly.
Check for any TSB(s) related to the customer’s complaint or DTC(s).
If a TSB applies, follow the instructions per the TSB.
Choose the following scenario that best applies.
The TSB repaired the customers complaint.
Testing complete.
A DTC is present, no TSB applies, or the TSB didn’t repair the customers complaint.
Go To 4
No DTC(s) are present.
Refer to the INTERMITTENT CONDITION Diagnostic Procedure.
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ENGINE - ELECTRICAL DIAGNOSTICS - SRT-10
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PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE (CONTINUED)
4.
WIRE HARNESS INSPECTION
Clear the DTC(s).
Attempt to duplicate the customer complaint.
Whether the customer complaint can be duplicated or not, make a quick wire harness inspection related to the
DTC(s) that were previously cleared.
Check the Powertrain Control Module connectors, the suspected component connection, in-line connectors, wire
harness splices, PCM power and ground circuits, and any related fuses.
If the DTC(s) are fuel or air related, check the fuel level and quality.
Were any repairs made that fixed the customer’s complaint?
Yes
>> Testing complete.
No
>> Refer to the diagnostic test procedure related to the DTC.
DR/DH
ENGINE - ELECTRICAL DIAGNOSTICS - SRT-10
9 - 1489
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