2001 CHRYSLER VOYAGER Service Manual

sat nav auxiliary battery location OBD port water pump ESP ABS

Page 4153 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3 Turn the ignition off to the lock position.
Disconnect the PCM harness connector(s).
Disconnect the TCM harness connector.
Note: Check connectors - Clean/repair as necessar

TEST ACTION APPLICABILITY
3 Turn the ignition off to the lock position.
Disconnect the PCM harness connector(s).
Disconnect the TCM harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance of the EATX RPM signal circuit between the TCM harness
connector and the PCM harness connector.
Is the resistance above 5.0 ohms?All
Ye s®Repair the EATX RPM Signal circuit for an open.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Go To 4
4 Turn the ignition off to the lock position.
Disconnect the PCM harness connector(s).
Disconnect the TCM harness connector.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the EATX RPM Signal circuit.
Is the resistance below 5.0 ohms?All
Ye s®Repair the EATX RPM Signal circuit for a short to ground.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Go To 5
5 Turn the ignition off to the lock position.
Disconnect the PCM harness connector.
Note: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
Measure the voltage of the EATX RPM Signal circuit in the PCM harness connector.
Is the voltage above 10.0 volts?All
Ye s®Repair the EATX RPM Signal circuit for a short to voltage.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Go To 6
6 Turn the ignition off to the lock position.
Disconnect the Powertrain Control Module-PCM harness connector.
Note: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
Measure the voltage between the EATX RPM Signal circuit and ground at the PCM
harness connector.
Is the voltage between 4.5 and 5.5 volts?All
Ye s®Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Go To 7
7 If there are no possible causes remaining, view repair. All
Repair
Replace the TCM. WITH THE DRBIIItPERFORM QUICK
LEARN AND REPROGRAM PINION FACTOR.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
49
TRANSMISSION
P0725-ENGINE SPEED SENSOR CIRCUIT (3.5L) ÐContinued

Page 4154 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
8 The conditions necessary to set the DTC are not present at this time. Using the
schematics as a guide, inspect the wiring and connectors specific to this circuit.
Wiggle th

Page 4155 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0731-GEAR RATIO ERROR IN 1ST
When Monitored and Set Condition:
P0731-GEAR RATIO ERROR IN 1ST
When Monitored: The Transmission Gear Ratio is monitored continuously while the
Transmission is i

Symptom:
P0731-GEAR RATIO ERROR IN 1ST
When Monitored and Set Condition:
P0731-GEAR RATIO ERROR IN 1ST
When Monitored: The Transmission Gear Ratio is monitored continuously while the
Transmission is in gear.
Set Condition: If the ratio of the input RPM to the output RPM does not match the
current Gear Ratio.
POSSIBLE CAUSES
RELATED DTC'S PRESENT
INTERMITTENT GEAR RATIO ERRORS
TRANSMISSION - INTERNAL
TEST ACTION APPLICABILITY
1NOTE: Low fluid level can be the cause of many Transmission problems. If
the fluid level is low locate and repair the leak then check and adjust the
fluid level per the Service Information.
NOTE: Always perform diagnostics with a fully charged battery to avoid
false symptoms.
With the DRBIIIt, read the engine DTC's. Check and repair all engine DTC's prior
to performing Transmission Symptom Diagnostics.
With the DRBIIIt, read Transmission DTC's. Record all DTC's and 1 Trip Failures.
NOTE: Diagnose 1 Trip Failures as a fully matured DTC.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
Repair as necessary.
Perform the Shift Lever Position Test. If the test does not pass, refer to Symptom test
for P0705 Check Shifter Signal.
For Gear Ratio DTC's, check and record all CVI's.
Most DTC's set on start up but some must be set by driving the vehicle such that all
diagnostic monitors have run.
NOTE: Verify flash level of Transmission Control Module. Some problems
are corrected by software upgrades to the Transmission Control Module.
NOTE: Check for applicable TSB's related to the symptom.
Perform this procedure prior to Symptom diagnosis.All
Continue
Go To 2
2 With the DRBIIIt, read Transmission DTC's
If any of these DTC's are present, perform their respective tests first.
Are DTC's P1791, P0715, P0720, P1794, P1720, present also?All
Ye s®Refer to appropriate symptom in the Transmission category. If
any of these DTC's are present, they will cause a gear ratio error.
Go to test for P1791 first if it is present.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Go To 3
51
TRANSMISSION

Page 4156 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3NOTE: Low fluid level can be the cause of many transmission problems.
Check and adjust the fluid per the service information.
With the DRBIIIt, perform the 1st gear clutch t

Page 4157 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0732-GEAR RATIO ERROR IN 2ND
When Monitored and Set Condition:
P0732-GEAR RATIO ERROR IN 2ND
When Monitored: The Transmission Gear Ratio is monitored continuously while the
Transmission is i

Page 4158 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
2 With the DRBIIIt, read Transmission DTCs
If any of these DTCs are present, perform their respective tests first.
Are DTCs P1791, P0715, P0720, P1794, P1720, present also

TEST ACTION APPLICABILITY
2 With the DRBIIIt, read Transmission DTC's
If any of these DTC's are present, perform their respective tests first.
Are DTC's P1791, P0715, P0720, P1794, P1720, present also?All
Ye s®Refer to appropriate symptom in the Transmission category. If
any of these DTC's are present, they will cause a gear ratio error.
Go to test for P1791 first if it is present.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Go To 3
3NOTE: Low fluid level can be the cause of many transmission problems.
Check and adjust the fluid level per the Service Information.
With the DRBIIIt, perform the 2nd gear clutch test. Follow the instructions on the
DRBIIIt.
Increase the throttle angle, TPS Degree, to 30É for no more than a few seconds.
CAUTION: Do not overheat the transmission.
Did the clutch test pass, Input speed remain at 0?All
Ye s®Go To 4
No®Go To 5
4 The conditions to set this DTC are not present at this time.
Check the gearshift linkage adjustment.
Gear ratio DTC's can be set by problems in the Input and Output Speed Sensor
circuits. If the vehicle passes the clutch test and still sets Gear Ratio DTC(s), check
the Speed Sensors for proper operation.
NOTE: Remove the Starter Relay from the PDC. This will prevent the
vehicle from being started in gear.
Check the Speed Sensor wiring and connectors for good connection, then perform a
wiggle test using the Transmission Simulator, Miller tool #8333 and the FWD
Adapter Cable kit, Miller tool #8333-1.
This DTC can also be set under extreme temperature conditions, this is usually
caused by an internal problem. Verify if the problem is only experienced under
extreme hot or cold conditions.
Were there any problems found?All
Ye s®Repair as necessary.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Test Complete.
5 With the DRBIIIt, read Transmission DTC's.
Is a DTC P1788 - 2/4 Hydraulic Pressure Switch and/or P1782 - 2/4 Pressure Switch
present also?All
Ye s®Replace the Solenoid/Pressure switch assembly.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Go To 6
6 If there are no possible causes remaining, view repair. All
Repair
Repair internal transmission problem. If the transmission is to be
repaired, check all of the components related to the Underdrive
and 2/4 clutches. Inspect the pump per service information and
repair as necessary.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
54
TRANSMISSION
P0732-GEAR RATIO ERROR IN 2ND ÐContinued

Page 4159 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0733-GEAR RATIO ERROR IN 3RD
When Monitored and Set Condition:
P0733-GEAR RATIO ERROR IN 3RD
When Monitored: The Transmission Gear Ratio is monitored continuously while the
Transmission is i

Page 4160 of 4284

TEST ACTION APPLICABILITY
2 With the DRBIIIt, read Transmission DTC's
If any of these DTC's are present, perform their respective tests first.
Are DTC's P1791, P0715, P0720, P1794, P1720, present also?All
Ye s®Refer to appropriate symptom in the Transmission category. If
any of these DTC's are present, they will cause a gear ratio error.
Go to test for P1791 first if it is present.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Go To 3
3NOTE: Low fluid level can be the cause of many transmission problems.
Check and adjust the fluid level per the Service Information.
With the DRBIIIt, perform the 3rd gear clutch test. Follow the instructions on the
DRBIIIt.
Increase the throttle angle, TPS Degree, to 30É for no more than a few seconds.
CAUTION: Do not overheat the transmission.
Did the clutch test pass, Input speed remain at 0?All
Ye s®Go To 4
No®Go To 5
4 The conditions to set this DTC are not present at this time.
Check the gearshift linkage adjustment.
Gear ratio DTC's can be set by problems in the Input and Output Speed Sensor
circuits. If the vehicle passes the clutch test and still sets Rear Ratio DTC(s), check
the Speed Sensors for proper operation.
NOTE: Remove the Starter Relay from the PDC. This will prevent the
vehicle from being started in gear.
Check the speed sensor wiring and connectors for good connection, then perform a
wiggle test using the Transmission Simulator, Miller tool #8333 and the FWD
Adapter Cable kit, Miller tool #8333-1.
This DTC can also be set under extreme temperature conditions, this is usually
caused by an internal problem. Verify if the problem is only experienced under
extreme hot or cold conditions.
Were there any problems found?All
Ye s®Repair as necessary.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Test Complete.
5 With the DRBIIIt, read Transmission DTC's.
Is a DTC P1787 - OD Hydraulic Pressure Switch and/or P1781 - OD Pressure Switch
present also?All
Ye s®Replace the Solenoid/Pressure switch assembly.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Go To 6
6 If there are no possible causes remaining, view repair. All
Repair
Repair internal transmission problem. If the transmission is to be
repaired, check all of the components related to the Underdrive
and Overdrive clutches. Inspect the pump per service information
and repair as necessary.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
56
TRANSMISSION
P0733-GEAR RATIO ERROR IN 3RD ÐContinued

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