2001 CHRYSLER VOYAGER Service Manual

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Page 4241 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
5 Turn the ignition on.
Select the Drive position with the gear selector.
With the DRBIIIt, observe the Autostick switch voltage.
Push the O/D OFF switch.
Is the voltage betw

Page 4242 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
9 Turn the ignition off to the lock position.
Disconnect the TCM harness connector.
Disconnect the Autostick/OD switch harness connector.
NOTE: Check connectors - Clean/repai

Page 4243 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P1797-MANUAL SHIFT OVERHEAT
When Monitored and Set Condition:
P1797-MANUAL SHIFT OVERHEAT
When Monitored: Whenever engine is running and transmission is in the AutoStick
mode.
Set Condition:

Symptom:
P1797-MANUAL SHIFT OVERHEAT
When Monitored and Set Condition:
P1797-MANUAL SHIFT OVERHEAT
When Monitored: Whenever engine is running and transmission is in the AutoStick
mode.
Set Condition: If the engine temperature exceeds 255 deg. F or the transmission
temperature exceeds 275 deg. F while in AutoStick mode. note: Aggressive driving or
driving in low for extended periods of time in AutoStick mode will set this code.
POSSIBLE CAUSES
MANUAL SHIFT OVERHEAT
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 This is an informational DTC only.
Check the Engine and Transmission Cooling Systems for proper operation.
Check the Radiator Cooling Fan operation.
Check the Transmission Cooling Fan operation if equipped.
Check the Transmission Fluid Level. Make sure it is not overfilled.
NOTE: Aggressive driving or driving in low for extended periods of time in
Autosticktmode will set this DTC.
Were there any problems found?All
Ye s®Repair as necessary.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No®Test Complete.
139
TRANSMISSION

Page 4244 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P1798-WORN OUT/BURNT TRANSAXLE FLUID
When Monitored and Set Condition:
P1798-WORN OUT/BURNT TRANSAXLE FLUID
When Monitored: With each transition from full Torque Convertor to partial Torque
C

Page 4245 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
2 Turn the ignition off.
Remove the Transmission Oil Pan and Oil Filter per the Service Information.
Install a new Transmission Oil Filter per Service Information.
Reinstall

Page 4246 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P1799-CALCULATED OIL TEMP IN USE
When Monitored and Set Condition:
P1799-CALCULATED OIL TEMP IN USE
When Monitored: Whenever the engine is running. The code is set if any of the following
con

Symptom:
P1799-CALCULATED OIL TEMP IN USE
When Monitored and Set Condition:
P1799-CALCULATED OIL TEMP IN USE
When Monitored: Whenever the engine is running. The code is set if any of the following
conditions exist for three consecutive key starts: The thermistor voltage is out of range
(below 0.70 volts or greater than 4.94 volts)
Set Condition: If continuos erratic thermistor voltage is sensed. The thermistor temper-
ature stays below 80 degree's Fahrenheit for an extended period time.
POSSIBLE CAUSES
INTERMITTENT WIRING AND CONNECTORS
SPEED SENSOR GROUND CIRCUIT OPEN
TRANSMISSION TEMPERATURE SENSOR SIGNAL CIRCUIT OPEN
TRANSMISSION TEMPERATURE SENSOR SIGNAL CIRCUIT SHORT TO GROUND
SPEED SENSOR GROUND CIRCUIT SHORT TO VOLTAGE
TRANSMISSION TEMPERATURE SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
TRANSMISSION TEMPERATURE SENSOR INOPERATIVE
TCM - HI TRANSMISSION TEMPERATURE SENSOR
TCM - LO TRANSMISSION TEMPERATURE SENSOR
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
142
TRANSMISSION

Page 4247 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
2 With the DRBIIIt, Check the STARTS SINCE SET counter.
NOTE: This counter only applies to the last DTC set.
Is the STARTS SINCE SET counter 2 or less?All
Ye s®Go To 3
No®G

Page 4248 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
6 Turn the ignition off to the lock position.
Disconnect the TCM harness connector.
Disconnect the TRS harness connector.
Remove the Transmission Control Relay from the IPM.

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