check engine CHRYSLER VOYAGER 2000 Diagnostic Manual

TEST ACTION APPLICABILITY
12 Ignition Off
Disconnect the VSS Connector.
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
With the DRB in Ohmmeter mode, measure between the VSS Signal Circuit in the
Powertrain Control Module Connector.
Is the resistance below 5.0 ohms?ENGINE -2.0L,
2.4L I-4 DOHC
and/or ENGINE -
3.0L V6 w/o EATX
Ye s®Repair the Speed Sensor Signal Circuit for a short to ground.
Perform Powertrain Verification Test VER-5A.
No®Go To 13
13 If there are no potential causes remaining, the Powertrain Control Module is
assumed to be defective.
View repair options.ENGINE - 2.0L,
2.4L I-4 DOHC
and/or ENGINE -
3.0L V6 w/o EATX Repair
Replace the Powertrain Control Module.
Perform Powertrain Verification Test VER-5A.
14 Ignition Off
Raise the Drive Wheels off the ground.
Warning: Be sure to keep hands and feet clear of rotating wheels.
Start Engine.
With DRB, read the Vehicle Speed Sensor.
Put Transmission on any forward gear.
Does the DRB show above zero MPH?ENGINE -2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Ye s®Go To 15
No®Go To 16
15 Ignition off.
Using the Schematic as a guide, inspect the Wiring and Connectors.
Were any problems found?ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
No®Test Complete.
16 Ignition On, Engine Not Running
With the DRB, read the EATX Trouble Codes.
Are any codes P0731- P0734, P0736, P0715, P0720, P1794 present or Pinion Factor
not programmed?ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX Ye s®Refer to the symptom list for problems related to Transmission.
No®Go To 17
17 Ignition Off
Disconnect the Transmission Control Module.
Note: Check connectors - Clean/repair as necessary.
Connect a Jumper Wire to the VSS Signal Circuit.
Key on.
With the DRB, read the VSS Signal.
While observing display, tap the other end of Jumper to ground.
Does the display show above zero MPH?ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Ye s®Go To 18
No®Go To 25
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DRIVEABILITY
P-0500 NO VEHICLE SPEED SENSOR SIGNAL ÐContinued
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TEST ACTION APPLICABILITY
18 Ignition Off
Disconnect the Transmission Control Module.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance between the Output Speed Sensor
Circuit at the TCM Connector and Ground.
Is the resistance below 5.0 ohms?ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Ye s®Go To 19
No®Go To 21
19 Ignition off.
Disconnect the Transmission Control Module.
Disconnect the Output Speed Sensor.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance between the Output Speed Sensor
Circuit at the TCM Connector and Ground.
Is the resistance below 5.0 ohms?ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Ye s®Repair the Output Speed Sensor Circuit for a short to ground.
Perform Powertrain Verification Test VER-5A.
No®Go To 20
20 If there are no potential causes remaining, the Output Speed Sensor is assumed to be
defective.
View repair options.ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Repair
Replace the Output Speed Sensor.
Perform Powertrain Verification Test VER-5A.
21 Ignition Off
Disconnect theTransmission Control Module.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure between the Speed Sensor Ground Circuit and the
Output Speed Sensor Circuit at the TCM Connector..
Is the resistance between 300.0 and 1200.0 ohms?ENGINE -2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Ye s®Replace the Transmission Control Module, reprogram Pinion
Factor, and perform quick learn procedure.
Perform Powertrain Verification Test VER-5A.
No®Go To 22
22 Ignition Off
Disconnect the Transmission Control Circuit.
Disconnect the Output Speed Sensor.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the Speed Sensor Ground Circuit from the TCM to the
Output Speed Sensor.
Is the resistance under 5.0 ohms?ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Ye s®Go To 23
No®Repair the open Speed Sensor Ground Circuit.
Perform Powertrain Verification Test VER-5A.
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DRIVEABILITY
P-0500 NO VEHICLE SPEED SENSOR SIGNAL ÐContinued
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TEST ACTION APPLICABILITY
23 Ignition off.
Disconnect the Transmission Control Module.
Disconnect the Output Speed Sensor.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the Output Speed Sensor (OSS) from the TCM to the
OSS.
Is the resistance under 5.0 ohms?ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Ye s®Go To 24
No®Repair the open Output Speed Sensor Circuit.
Perform Powertrain Verification Test VER-5A.
24 If there are no potential causes remaining, the Output Speed Sensor is assumed to be
defective.
View repair options.ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Repair
Replace the Output Speed Sensor.
Perform Powertrain Verification Test VER-5A.
25 Ignition Off
Disconnect the Transmission Control Module.
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure between the VSS Signal Circuit and ground.
Is the resistance below 5.0 ohms?ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Ye s®Repair the Vehicle Speed Sensor Signal Circuit for a short to
ground.
Perform Powertrain Verification Test VER-5A.
No®Go To 26
26 Ignition off.
Disconnect the Transmission Control Module.
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
With an Ohmmeter, measure the VSS Signal Circuit from the PCM to the TCM.
Is the resistance below 5.0 ohms?ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Ye s®Go To 27
No®Repair the open Vehicle Speed Sensor Signal Circuit.
Perform Powertrain Verification Test VER-5A.
27 If there are no potential causes remaining, the Powertrain Control Module is
assumed to be defective.
View repair options.ENGINE - 2.0L,
2.4L, 3.3L V6 FFV
and/or ENGINE -
3.3L V6 and/or EN-
GINE - 3.8L V6
w/EATX
Repair
Replace the Powertrain Control Module.
Perform Powertrain Verification Test VER-5A.
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DRIVEABILITY
P-0500 NO VEHICLE SPEED SENSOR SIGNAL ÐContinued
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TEST ACTION APPLICABILITY
3 Turn ignition off for 10 seconds, then start engine and let idle.
Allow engine to reach normal operating temperature.
With the DRB in Systems Test, perform the IAC Wiggle Test.
Note: The idle speed should raise and lower with the display.
Does the IAC Motor operate properly?All
Ye s®Go To 4
No®Go To 6
4 Turn ignition off for 10 seconds, then start engine and let idle. Allow engine to reach
normal operating temperature.
With the DRB in Systems Test, perform the IAC Wiggle Test.
Note: The idle speed should raise and lower with the display.
Wiggle the Wiring Harness from the IAC Motor to the PCM.
Observe for the IAC Motor to stop operating.
Did the IAC Motor stop operating at any time?All
Ye s®Repair the Harness or Connectors as necessary.
Perform Powertrain Verification Test VER-5A.
No®Go To 5
5 Ignition Off
Using the schematic as a guide, inspect the Wiring and Connectors.
Were any problems found?All
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
No®Test Complete.
6 Start engine and let idle.
Disconnect the IAC Motor Connector.
Note: Check connectors - Clean/repair as necessary.
Using a Voltmeter, measure the IAC Driver #1 Circuit.
Was the voltage over 5.0 volts at any time?All
Ye s®Go To 7
No®Refer to symptom P-0505B IDLE AIR CONTROL MOTOR CIR-
CUIT in the DRIVEABILITY category.
7 Ignition Off
Disconnect the IAC Motor Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure between IAC #4 Driver and ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair the IAC #4 Driver Circuit shorted to ground.
Perform Powertrain Verification Test VER-5A.
No®Go To 8
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DRIVEABILITY
P-0505 IDLE AIR CONTROL MOTOR CIRCUITS ÐContinued
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TEST ACTION APPLICABILITY
8 Start engine and let idle.
Disconnect the IAC Motor Connector.
Note: Check connectors - Clean/repair as necessary.
Using a Voltmeter, measure the IAC Driver #2 Circuit.
Was the voltage over 5.0 volts at any time?All
Ye s®Go To 9
No®Refer to symptom P-0505C IDLE AIR CONTROL MOTOR CIR-
CUIT in the DRIVEABILITY category.
9 Ignition Off
Disconnect the IAC Motor Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure between IAC #1 Driver and ground..
Is the resistance below 5.0 ohms?All
Ye s®Repair the IAC #1 Driver Circuit shorted to ground.
Perform Powertrain Verification Test VER-5A.
No®Go To 10
10 Ignition Off
Disconnect the IAC Motor Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure between IAC #2 Driver and ground..
Is the resistance below 5.0 ohms?All
Ye s®Repair the IAC #2 Driver Circuit shorted to ground.
Perform Powertrain Verification Test VER-5A.
No®Go To 11
11 Start engine and let idle.
Disconnect the IAC Motor Connector.
Note: Check connectors - Clean/repair as necessary.
Using a Voltmeter, measure the IAC Driver #3 Circuit.
Was the voltage over 5.0 volts at any time?All
Ye s®Go To 12
No®Refer to symptom P-0505D IDLE AIR CONTROL MOTOR CIR-
CUIT in the DRIVEABILITY category.
12 Ignition Off
Disconnect the IAC Motor Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure between IAC #3 Driver and ground..
Is the resistance below 5.0 ohms?All
Ye s®Repair the IAC #3 Driver Circuit shorted to ground.
Perform Powertrain Verification Test VER-5A.
No®Go To 13
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DRIVEABILITY
P-0505 IDLE AIR CONTROL MOTOR CIRCUITS ÐContinued
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TEST ACTION APPLICABILITY
13 Start engine and let idle.
Disconnect the IAC Motor Connector.
Note: Check connectors - Clean/repair as necessary.
Using a Voltmeter, measure the IAC Driver #4 Circuit.
Was the voltage over 5.0 volts at any time?All
Ye s®Go To 14
No®Refer to symptom P-0505E IDLE AIR CONTROL MOTOR CIR-
CUIT in the DRIVEABILITY category.
14 Ignition Off
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
Is any Terminal damaged, pushed out or miswired?All
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-5A.
No®Go To 15
15 Ignition Off
Disconnect the IAC Motor Connector.
Note: Check connectors - Clean/repair as necessary.
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance between the IAC #1 Driver and #2, #3,
#4 Drivers.
Is the resistance below 5.0 ohms on any of the Drivers?All
Ye s®Repair the IAC Driver Circuits shorted together.
Perform Powertrain Verification Test VER-5A.
No®Go To 16
16 Ignition Off
Disconnect the IAC Motor Connector.
Note: Check connectors - Clean/repair as necessary.
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance between the IAC #2 Driver and #3, #4
Drivers.
Is the resistance below 5.0 ohms on any of the Drivers?All
Ye s®Repair the IAC Driver Circuits shorted together.
Perform Powertrain Verification Test VER-5A.
No®Go To 17
17 Ignition Off
Disconnect the IAC Motor Connector.
Note: Check connectors - Clean/repair as necessary.
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance between the IAC #3 Driver and #4
Driver.
Is the resistance below 5.0 ohms?All
Ye s®Repair the IAC Driver Circuits shorted together.
Perform Powertrain Verification Test VER-5A.
No®Go To 18
162
DRIVEABILITY
P-0505 IDLE AIR CONTROL MOTOR CIRCUITS ÐContinued
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Symptom:
P-0601 INTERNAL CONTROLLER FAILURE
When Monitored and Set Condition:
P-0601 INTERNAL CONTROLLER FAILURE
When Monitored: With the ignition key on.
Set Condition: Internal checksum for software failed, does not match calculated value.
POSSIBLE CAUSES
INTERNAL CONTROLLER FAILURE
TEST ACTION APPLICABILITY
1 Ignition On, Engine Not Running.
With the DRB, read Trouble Codes.
Is Trouble Code INTERNAL CONTROLLER FAILURE present?All
Ye s®Replace the Powertrain Control Module.
Perform Powertrain Verification Test VER-2A
No®Test Complete.
169
DRIVEABILITY
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Symptom:
P-0703 BRAKE SWITCH STUCK PRESSED OR RELEASED
When Monitored and Set Condition:
P-0703 BRAKE SWITCH STUCK PRESSED OR RELEASED
When Monitored: With engine running. The PCM expects the signal to be high for 16
cycles while it monitors the brake switch signal during accel and decel modes.
Set Condition: After the vehicle speed increases, the PCM must accumulate 6 seconds
while delta throttle voltage is above 0.02 volt. The count is reset to zero whenever the
brake switch indicates a low signal.
POSSIBLE CAUSES
BRAKE SWITCH GROUND CIRCUIT OPEN
BRAKE SWITCH INTERNAL SHORT
BRAKE SWITCH SENSE CIRCUIT OPEN
BRAKE SWITCH SENSE CIRCUIT SHORT TO GROUND
PCM CONNECTOR OBSERVABLE DEFECT
PCM DEF (VOLTAGE HIGH)
PCM DEF (VOLTAGE LOW)
TEST ACTION APPLICABILITY
1 Ignition Off
Disconnect the Brake Switch Connector.
Note: Check connectors - Clean/repair as necessary.
Key on.
With a Voltmeter, measure the Brake Switch Sense Circuit at the Brake Switch
Connector.
Is the voltage above 9.0 volts?All
Ye s®Go To 2
No®Go To 5
2 Ignition Off
Disconnect the Brake Switch Connector.
Note: Check connectors - Clean/repair as necessary.
With an Ohmmeter, measure the Brake Switch Ground Circuit at the Brake Switch
Connector to ground.
Is the resistance below 5.0 ohms?All
Ye s®Go To 3
No®Repair the Brake Switch Ground Circuit.
Perform Powertrain Verification Test VER-2A.
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DRIVEABILITY
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TEST ACTION APPLICABILITY
3 Ignition off.
Disconnect the Brake Switch Connector.
Note: Check connectors - Clean/repair as necessary.
Ignition on with engine not running.
Monitor Brake Switch status on the DRB while performing the next step.
Connect a jumper across the Brake Switch Circuit to Ground Circuit.
Did the DRB change from9pressed9to9released9?All
Ye s®Replace or adjust the Brake Switch.
Perform Powertrain Verification Test VER-2A.
No®Go To 4
4 If there are no potential causes remaining, the Powertrain Control Module is
assumed to be defective.
View repair options.All
Repair
Replace the PCM.
Perform Powertrain Verification Test VER-2A.
5 Ignition Off
Disconnect the Powertrain Control Module.
Disconnect the Brake Switch Connector.
Note: Check connectors - Clean/repair as necessary.
With an Ohmmeter, measure the Brake Switch Sense Circuit resistance from the
PCM to the Brake Switch Connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 6
No®Repair the Brake Switch Sense Circuit for an open.
Perform Powertrain Verification Test VER-2A.
6 Ignition Off
Disconnect the Powertrain Control Module.
Note: Check connectors - Clean/repair as necessary.
Is any terminal damaged, pushed out, or miswired?All
Ye s®Repair as necessary.
Perform Powertrain Verification Test VER-2A.
No®Go To 7
7 Ignition Off
Disconnect the Powertrain Control Module.
Disconnect the Brake Switch Connector.
Note: Check connectors - Clean/repair as necessary.
With an Ohmmeter, measure the Brake Switch Sense Circuit to a good ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Brake Switch Sense Circuit for a short to ground.
Perform Powertrain Verification Test VER-2A.
No®Go To 8
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DRIVEABILITY
P-0703 BRAKE SWITCH STUCK PRESSED OR RELEASED ÐContinued
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Symptom:
P-1195 SLOW 1/1 O2S DURING CATALYST MONITOR
When Monitored and Set Condition:
P-1195 SLOW 1/1 O2S DURING CATALYST MONITOR
When Monitored: With the engine running, coolant greater than 76 deg C (170 deg F),
open throttle, steady to slight increasing vehicle speed > 28 Km/h (18 mph) < 88 Km/h (55
mph), with a light load on the engine, for a period no less than five minutes.
Set Condition: The upstream oxygen sensor signal voltage is switching from below 0.39
volt to above 0.6 volt and back fewer times than required.
POSSIBLE CAUSES
OXYGEN SENSOR GROUND CIRCUIT OPEN
1/1 OXYGEN SENSOR CONNECTOR OBSERVABLE DEFECT
1/1 OXYGEN SENSOR DEFECTIVE
ENGINE FLUID CONSUMPTION
EXHAUST SYSTEM LEAKING
PCM CONNECTOR OBSERVABLE DEFECT
TEST ACTION APPLICABILITY
1 Start Engine
Note: Check the Exhaust for excessive smoke caused by oil or coolant
consumption.
Is there an oil or coolant consumption condition present?All
Ye s®Repair engine mechanical as necessary, and replace Upstream O2
Sensor.
Perform Powertrain Verification Test VER-5A.
No®Go To 2
2 Start Engine
Check the Exhaust System for leaks between Engine and Catalytic Converter.
Is there any Exhaust leak?All
Ye s®Repair or replace leaking Exhaust parts as necessary.
Perform Powertrain Verification Test VER-5A.
No®Go To 3
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