2001 CHRYSLER VOYAGER Service Manual

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Page 3977 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
7 Turn the ignition off.
Disconnect the Intelligent Power Module C3 harness connector.
Disconnect the PCM harness connector.
Measure the resistance of the Fuel Pump Relay Con

Page 3978 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P1294-TARGET IDLE NOT REACHED (2.4L)
When Monitored and Set Condition:
P1294-TARGET IDLE NOT REACHED (2.4L)
When Monitored: With the engine idling and the transmission in drive, if automatic.

Page 3979 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3 Start the engine.
Inspect the vehicle for external vacuum leaks.
Inspect the engine for internal leaks.
Were any vacuum leaks found?2.4L 4 CYL DOHC
16V MPI
Ye s®Repair the

TEST ACTION APPLICABILITY
3 Start the engine.
Inspect the vehicle for external vacuum leaks.
Inspect the engine for internal leaks.
Were any vacuum leaks found?2.4L 4 CYL DOHC
16V MPI
Ye s®Repair the vacuum leak as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No®Go To 4
4 Inspect the Air Induction System for the following problems.
Restrictions: Dirty Air Cleaner, Foreign material trap in the air intake tube, etc.
Leaks: Air Intake tube connection, Air Cleaner housing, etc.
Were any problems found?2.4L 4 CYL DOHC
16V MPI
Ye s®Repair or replace as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No®Go To 5
5 Inspect the throttle body plate carbon build up or other restrictions.
Inspect the throttle linkage for binding and smooth operation.
Ensure the throttle plate is resting on the stop at idle.
Were any problems found?2.4L 4 CYL DOHC
16V MPI
Ye s®Repair or replace as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No®Test Complete.
6 Turn the ignition off.
Disconnect the IAC Motor harness connector.
Start and idle the engine.
Using a test light connected to ground, probe the IAC Driver #1 circuit for 10 seconds.
Repeat the above test for the remaining IAC Motor Driver circuits.
Does the test light turn on and off while probing each IAC Motor Driver circuit?2.4L 4 CYL DOHC
16V MPI
Ye s®Go To 7
No®Go To 8
7 Turn the ignition off.
Disconnect the IAC Motor harness connector.
Start and idle the engine.
Using a test light connected to battery positive, probe the IAC Driver #1 circuit for 10
seconds.
Repeat the above test for the remaining IAC Motor Driver circuits.
Does the test light turn on and off while probing each IAC Motor Driver circuit?2.4L 4 CYL DOHC
16V MPI
Ye s®Replace the IAC Motor.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No®Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
185
DRIVEABILITY - GAS
P1294-TARGET IDLE NOT REACHED (2.4L) ÐContinued

Page 3980 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
8 Turn the ignition off.
Disconnect IAC Motor harness connector.
Disconnect the PCM harness connector.
Measure the resistance of the IAC Driver circuit between the IAC Motor

TEST ACTION APPLICABILITY
8 Turn the ignition off.
Disconnect IAC Motor harness connector.
Disconnect the PCM harness connector.
Measure the resistance of the IAC Driver circuit between the IAC Motor harness
connector and the PCM harness connector that indicated no test light illumination.
Is the resistance below 5.0 ohms?2.4L 4 CYL DOHC
16V MPI
Ye s®Go To 9
No®Repair the IAC Driver circuit(s) for an open.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
9 If there are no possible causes remaining, view repair. 2.4L 4 CYL DOHC
16V MPI
Repair
Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
10 Start the engine.
Allow the engine idle to stabilize for 60 seconds.
Using the DRBIIIt, perform the IAC wiggle test.
NOTE: The engine idle should raise and lower with the display.
Does the RPM raise and lower correctly?2.4L 4 CYL DOHC
16V MPI
Ye s®Go To 11
No®Refer to symptom Checking the IAC Motor in the Driveability
category.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
11WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
NOTE: The conditions that set the DTC are not present at this time. The
following list may help in identifying the intermittent condition.
Inspect the throttle linkage, ensure smooth operation. Ensure the throttle linkage
allows the throttle plate to close fully and rests on the stop.
With the engine running at normal operating temperature, monitor the DRB
parameters related to the DTC while wiggling the wiring harness. Look for param-
eter values to change and/or a DTC to set.
Review the DRB Freeze Frame information. If possible, try to duplicate the
conditions under which the DTC was set.
Refer to any Technical Service Bulletins (TSB) that may apply.
Visually inspect the related wiring harness. Look for any chafed, pierced, pinched, or
partially broken wires.
Visually inspect the related wiring harness connectors. Look for broken, bent, pushed
out, or corroded terminals.
Were any of the above conditions present?2.4L 4 CYL DOHC
16V MPI
Ye s®Repair as necessary
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No®Test Complete.
186
DRIVEABILITY - GAS
P1294-TARGET IDLE NOT REACHED (2.4L) ÐContinued

Page 3981 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P1294-TARGET IDLE NOT REACHED (3.3L/3.8L)
When Monitored and Set Condition:
P1294-TARGET IDLE NOT REACHED (3.3L/3.8L)
When Monitored: With the engine idling and the transmission in drive, if

Page 3982 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
4 Inspect the Air Induction System for the following problems.
Restrictions: Dirty Air Cleaner, Foreign material trapped in the air intake tube, etc.
Leaks: Air Intake tube c

Page 3983 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P1297-NO CHANGE IN MAP FROM START TO RUN
When Monitored and Set Condition:
P1297-NO CHANGE IN MAP FROM START TO RUN
When Monitored: With engine RPM +/- 64 of target idle and the throttle blad

Page 3984 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the MAP Sensor harness connector.
Turn the ignition on.
Measure the voltage of the 5 Volt Supply circuit in the MAP Sensor harness
connect

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