2000 CHRYSLER VOYAGER air condition

Symptom:
P-0113 INTAKE AIR TEMPERATURE SENSOR VOLT HIGH
When Monitored and Set Condition:
P-0113 INTAKE AIR TEMPERATURE SENSOR VOLT HIGH
When Monitored: With the ignition on and the engine running.
Set Condition: The intake air sensor circuit voltage at PCM cavity 37 goes above 4.9 volts.
POSSIBLE CAUSES
IAT SENSOR DEFECTIVE
IAT SENSOR SIGNAL CIRCUIT OPEN
SENSOR GROUND CIRCUIT OPEN
IAT SENSOR WIRING HARNESS INTERMITTENT DEFECT
IAT SENSOR WIRING HARNESS OBSERVABLE DEFECT
PCM DEF (IAT SENSOR)
TEST ACTION APPLICABILITY
1 Ignition on with engine not running.
Read the IAT Sensor voltage.
Is the IAT Sensor voltage above 4.5 volts?All
Ye s®Go To 2
No®Go To 6
2 Ignition Off.
Disconnect the IAT Sensor.
Check Connectors - clean/repair as necessary.
Ignition on with engine not running.
Connect the jumper wire between the IAT Signal and Sensor Ground Circuits.
With the DRB, read the IAT Sensor voltage.
Is the voltage below 1.0 volt?All
Ye s®Replace the IAT Sensor.
Perform Powertrain Verification Test VER-5A.
No®Go To 3
3 Ignition Off
Disconnect the IAT Sensor Electrical Connector.
Note: Check connectors - Clean/repair as necessary.
Connect a jumper wire between the IAT Signal Circuit and an engine ground.
Ignition on, engine not running.
Read the Intake Air Temperature Sensor voltage.
Is the voltage below 1.0 volt?All
Ye s®Go To 4
No®Repair the open Sensor Ground Circuit.
Perform Powertrain Verification Test VER-5A.
36
DRIVEABILITY
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Symptom:
P-0117 ECT SENSOR VOLTAGE TOO LOW
When Monitored and Set Condition:
P-0117 ECT SENSOR VOLTAGE TOO LOW
When Monitored: With the ignition on.
Set Condition: The engine coolant temperature sensor circuit voltage at PCM cavity 26
goes below .5 volt for more than 3 seconds.
POSSIBLE CAUSES
ECT SENSOR VOLTAGE ABOVE 4.0 VOLTS
ECT SENSOR SIGNAL CIRCUIT SHORT TO GROUND
ECT SENSOR SIGNAL CIRCUIT SHORTED TO GROUND CKT
ECT WIRING HARNESS INTERMITTENT DEFECT
ECT WIRING HARNESS OBSERVABLE DEFECT
PCM DEFECTIVE (ECT SENSOR V LOW)
TEST ACTION APPLICABILITY
1 Ignition On, Engine Not Running
With the DRB, read the Engine Coolant Temperature (ECT) Sensor voltage.
Is the Engine Coolant Temperature Sensor voltage below 0.5 volt?All
Ye s®Go To 2
No®Go To 6
2 Ignition Off
Disconnect the Engine Coolant Temperature (ECT) Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
With the DRB, read the Engine Coolant Temperature Sensor voltage.
Is the ECT Sensor voltage above 4.0 volts?All
Ye s®Replace the Engine Coolant Temperature Sensor.
Perform Powertrain Verification Test VER-5A.
No®Go To 3
38
DRIVEABILITY
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Symptom:
P-0118 ECT SENSOR VOLTAGE TOO HIGH
When Monitored and Set Condition:
P-0118 ECT SENSOR VOLTAGE TOO HIGH
When Monitored: With the ignition on.
Set Condition: The engine coolant temperature sensor circuit voltage at PCM cavity 26
goes above 4.9 volts for more than 3 seconds.
POSSIBLE CAUSES
ECT SENSOR DEFECTIVE
ECT SENSOR GROUND CIRCUIT OPEN
ECT SENSOR SIGNAL CIRCUIT OPEN
ECT SENSOR WIRING HARNESS INTERMITTENT DEFECT
ECT SENSOR WIRING HARNESS OBSERVABLE DEFECT
PCM DEFECTIVE
TEST ACTION APPLICABILITY
1 Ignition On, Engine Not Running
With the DRB, read the ECT Sensor voltage.
Is the ECT Sensor voltage above 4.9 volts?All
Ye s®Go To 2
No®Go To 6
2 Ignition On, Engine Not Running
Disconnect the ECT Sensor.
Note: Check connectors - Clean/repair as necessary.
Connect a jumper wire between the ECT Sensor Signal Circuit and the Sensor
Ground Circuit.
With the DRB, read the ECT Sensor voltage.
Is the voltage below 1.0 volt?All
Ye s®Replace the ECT Sensor.
Perform Powertrain Verification Test VER-5A.
No®Go To 3
40
DRIVEABILITY
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TEST ACTION APPLICABILITY
4 Turn the ignition on.
With the DRB, read the FREEZE FRAME DATA.
Using the FREEZE FRAME DATA, attempt to duplicate the condition that has set
this fault.
While using the FREEZE FRAME DATA, pay particular attention to the fault setting
conditions, such as vehicle speed, engine temperature, vehicle load, and MAP
vacuum.
Does P0121 reset?All
Ye s®Go To 6
No®Go To 5
5 Ignition Off
Start engine.
With the DRB, read the MAP Sensor voltage.
Did the MAP Sensor voltage drop from above 3.5 volts to below 2.0 volts?All
Ye s®Go To 6
No®Refer to symptom * CHECKING MAP SENSOR CALIBRATION
in the DRIVEABILITY category.
6 Ignition On, Engine Not Running
Using the schematic as a guide, wiggle the TPS Harness and Connectors to PCM.
While monitoring the DRB, observe for the TPS voltage to change.
Did the TPS voltage change at any time?All
Ye s®Repair the Harness or Connectors as necessary.
Perform Powertrain Verification Test VER-5A.
No®Go To 7
7 Ignition On, Engine Not Running
With the DRB, read the Throttle Position Sensor voltage.
Is the Throttle Position Sensor voltage above 1.0 volt?All
Ye s®Replace the Throttle Position Sensor.
Perform Powertrain Verification Test VER-5A.
No®Go To 8
8 Ignition On, Engine Not Running
While monitoring the DRB, open the Throttle Plate to wide open throttle.
Is the Throttle Position Sensor voltage above 3.5 volts?All
Ye s®Go To 9
No®Replace the Throttle Position Sensor.
Perform Powertrain Verification Test VER-5A.
9 Ignition On, Engine Not Running
While monitoring the DRB slowly open and close the Throttle Plate.
Note: You must move linkage very slowly while looking for a jump in
voltage.
Is the voltage change smooth?All
Ye s®Go To 10
No®Replace the Throttle Position Sensor.
Perform Powertrain Verification Test VER-5A.
43
DRIVEABILITY
P-0121 TPS VOLTAGE DOES NOT AGREE WITH MAP ÐContinued
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TEST ACTION APPLICABILITY
10 Ignition Off
Disconnect the Throttle Position Sensor.
Note: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
Using a Voltmeter, probe the 5-Volt Supply Circuit at the TP Sensor.
Is the voltage below 5.0 volts?All
Ye s®Repair the open 5-volt Supply Circuit to Throttle Position sensor.
Perform Powertrain Verification Test VER-5A.
No®Go To 11
11 Ignition Off
Check Throttle Plate and Linkage for a binding condition.
Ensure the Throttle Linkage is at the Idle Position.
Note: TPS Ground Circuit and the 5-Volt Supply Circuit switched will cause
this code to appear.
Disconnect the TP Sensor.
Inspect the TPS Wire colors for the correct cavities.
Note: Check connectors - Clean/repair as necessary.
Is any terminal damaged, pushed out, miswired or corroded?All
Ye s®Clean or repair Connector as necessary.
Perform Powertrain Verification Test VER-5A.
No®Test Complete.
44
DRIVEABILITY
P-0121 TPS VOLTAGE DOES NOT AGREE WITH MAP ÐContinued
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Symptom:
P-0122 THROTTLE POSITION SENSOR VOLTAGE LOW
When Monitored and Set Condition:
P-0122 THROTTLE POSITION SENSOR VOLTAGE LOW
When Monitored: With the ignition on.
Set Condition: The TP sensor signal voltage goes below 0.16 volt.
POSSIBLE CAUSES
TPS 5-VOLT SUPPLY CIRCUIT OPEN
TPS SIGNAL CIRCUIT SHORT TO GROUND
TPS SIGNAL CIRCUIT SHORT TO SENSOR GROUND CIRCUIT
TPS WIRING HARNESS INTERMITTENT DEFECT
TPS WIRING HARNESS OBSERVABLE DEFECT
PCM DEFECTIVE (TPS)
THROTTLE POSITION SENSOR DEFECTIVE
THROTTLE POSITION SENSOR VOLTAGE CHANGE NOT SMOOTH
TRANSMISSION CONTROL MODULE DEFECTIVE (TPS)
TEST ACTION APPLICABILITY
1 Turn key on, engine off.
With the DRB, read the Throttle Position Sensor (TP Sensor) voltage.
Is the Throttle Position Sensor voltage below 0.16 volt?All
Ye s®Go To 2
No®Go To 8
2 Ignition Off
Disconnect the Throttle Position Sensor.
Note: Check connectors - Clean/repair as necessary.
Ignition On, Engine Not Running.
Measure the voltage at the 5-Volt Supply Circuit at TPS Connector.
Is the voltage below 4.0 volts?All
Ye s®Repair the open TP Sensor 5-Volt Supply Circuit.
Perform Powertrain Verification Test VER-5A.
No®Go To 3
45
DRIVEABILITY
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Symptom:
P-0123 THROTTLE POSITION SENSOR VOLTAGE HIGH
When Monitored and Set Condition:
P-0123 THROTTLE POSITION SENSOR VOLTAGE HIGH
When Monitored: With the ignition on.
Set Condition: TP sensor signal voltage goes above 4.5 volts for .704 seconds.
POSSIBLE CAUSES
THROTTLE POSITION SENSOR GROUND CIRCUIT OPEN
THROTTLE POSITION SENSOR SIGNAL CIRCUIT OPEN
TPS SIGNAL CKT TO TPS 5 VOLT SUPPLY CKT SHORTED
TPS WIRING HARNESS INTERMITTENT DEFECT
TPS WIRING HARNESS OBSERVABLE DEFECT
POWERTRAIN CONTROL MODULE DEFECTIVE (TPS)
THROTTLE POSITION SENSOR VOLTAGE BELOW 1.0 VOLT
THROTTLE POSITION SENSOR VOLTAGE CHANGE NOT SMOOTH
TEST ACTION APPLICABILITY
1 Ignition On, Engine Not Running
Using the DRB, read the Throttle Position Sensor voltage.
Is the Throttle Position Sensor voltage above 4.5 volts?All
Ye s®Go To 2
No®Go To 8
2 Ignition Off
Disconnect the Throttle Position Sensor Connector.
Note: Check connectors - Clean/repair as necessary.
Ignition On.
With the DRB actuate the ASD relay.
Measure the voltage of the TP sensor signal circuit.
Is the voltage above 4.9 volts?All
Ye s®Repair the short voltage in the Throttle Position Sensor Signal
Circuit.
Perform Powertrain Verification Test VER-5A.
No®Go To 3
48
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Symptom:
P-0125 CLOSED LOOP TEMP NOT REACHED
When Monitored and Set Condition:
P-0125 CLOSED LOOP TEMP NOT REACHED
When Monitored: After engine is started, for ten minutes.
Set Condition: The engine temperature does not go above 10 degrees C (50 degrees F) by
13 minutes after the engine is started for 2 consecutive trips.
POSSIBLE CAUSES
PCM CONNECTOR AND TERM DAM, PSHD OUT, OR MISWIRED
ECT SENSOR CONN AND TERM DAM, PSHD OUT, MISWIRED
ECT SENSOR RESISTANCE >=11.00 K OHMS
PCM DEFECTIVE
THERMOSTAT DEFECTIVE
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRB, read the FREEZE FRAME DATA.
Using the FREEZE FRAME DATA, attempt to duplicate the condition that has set
this fault.
Note that the DTC is a 2 trip failure.
Does P0121 reset?All
Ye s®Go To 3
No®Go To 2
2 The conditions required to set the DTC are no longer present.
Ensure the engine cooling system is operating properly, coolant level is at specifica-
tion, and no external or internal coolant leaks. Refer to the appropriate service
category for cooling system information.
Is the Cooling System operating correctly?All
Ye s®Test complete
No®Repair as necessary.
Perform Powertrain verification Test VER-5A
3 Ignition off.
Disconnect the ECT Sensor Connector.
Note: Check Connectors - clean/repair as necessary.
Is any Terminal damaged, pushed out, or miswired?All
Ye s®Clean or repair connector as necessary.
Perform Powertrain Verification Test VER-5A.
No®Go To 4
51
DRIVEABILITY
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