2001 CHRYSLER VOYAGER Service Manual

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Page 3953 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0509 - IAC MOTOR SENSE CIRCUIT HIGH
When Monitored and Set Condition:
P0509 - IAC MOTOR SENSE CIRCUIT HIGH
When Monitored: Engine running. The batterty voltage greater than 10 volts.
Set Con

Page 3954 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
4 Turn the ignition off.
Disconnect the IAC Motor harness connector.
Turn the ignition on.
With the DRBIIIt, actuate the ASD Relay.
Measure the voltage of the IAC Motor Drive

TEST ACTION APPLICABILITY
4 Turn the ignition off.
Disconnect the IAC Motor harness connector.
Turn the ignition on.
With the DRBIIIt, actuate the ASD Relay.
Measure the voltage of the IAC Motor Driver circuit in the IAC Motor harness
connector.
Is the voltage above 0.5 volt?All
Ye s®Repair the IAC Motor Driver circuit for a short to voltage.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No®Go To 5
5 Turn the ignition off.
Disconnect the IAC Motor harness connector.
Measure the resistance across the IAC Motor harness connector.
Is the resistance below 5.0 ohms?All
Ye s®Repair the IAC Motor Sense circuit shorted to the IAC Motor
Driver circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No®Go To 6
6 If there are no possible causes remaining, view repair. All
Repair
Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
7WARNING: 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.
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?All
Ye s®Repair as necessary
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No®Test Complete.
160
DRIVEABILITY - GAS
P0509 - IAC MOTOR SENSE CIRCUIT HIGH ÐContinued

Page 3955 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0700-EATX CONTROLLER DTC PRESENT
TEST ACTION APPLICABILITY
1 This is an informational DTC letting you know that a DTC(s) is stored in the
Transmission Control Module.
Ease this DTC from the

Page 3956 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0703-BRAKE SWITCH SENSE CIRCUIT
When Monitored and Set Condition:
P0703-BRAKE SWITCH SENSE CIRCUIT
When Monitored: TEST #1: Vehicle speed greater than 17 MPH to enable. TEST #2:
Speed must b

Page 3957 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Brake Lamp Switch harness connector.
Disconnect the PCM harness connector.
Remove the ASD Relay from the PDC.
Using a jumper wire, jum

TEST ACTION APPLICABILITY
3 Turn the ignition off.
Disconnect the Brake Lamp Switch harness connector.
Disconnect the PCM harness connector.
Remove the ASD Relay from the PDC.
Using a jumper wire, jumper between the Fused B+ circuit and ASD Relay Output
circuit in the PDC.
Turn the ignition on.
Measure the voltage of the Brake Switch Sense circuit in the Brake Lamp Switch
harness connector.
Is the voltage above 1.0 volts?All
Ye s®Repair the Brake Switch Sense circuit shorted to voltage.
Perform POWERTRAIN VERIFICATION TEST VER - 4.
No®Go To 4
4 Turn the ignition off.
Disconnect the Brake Lamp Switch harness connector.
Disconnect the PCM harness connector.
Measure the resistance of the Brake Switch Sense circuit in the Brake Lamp Switch
harness connector to ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Brake Switch Sense circuit shorted to ground.
Perform POWERTRAIN VERIFICATION TEST VER - 4.
No®Go To 5
5 Turn the ignition off.
Disconnect the Brake Lamp Switch harness connector.
Disconnect the PCM harness connector.
Measure the resistance of the Brake Switch Sense circuit between the Brake Lamp
Switch harness connector and the PCM harness 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 - 4.
6 Turn the ignition off.
Disconnect the Brake Lamp Switch harness connector.
Measure the resistance of the Ground circuit in the Brake Lamp Switch harness
connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 7
No®Repair the Ground circuit for an open.
Perform POWERTRAIN VERIFICATION TEST VER - 4.
7 Turn the ignition off.
Disconnect the Brake Lamp Switch harness connector.
Measure the resistance between the Ground circuit terminal and the Brake Switch
Sense terminal in the Brake Lamp Switch.
Apply and release the brake pedal while monitoring the ohmmeter.
Does the resistance change from below 5.0 ohms to open circuit?All
Ye s®Go To 8
No®Replace the Brake Lamp Switch.
Perform POWERTRAIN VERIFICATION TEST VER - 4.
163
DRIVEABILITY - GAS
P0703-BRAKE SWITCH SENSE CIRCUIT ÐContinued

Page 3958 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
8 If there are no possible causes remaining, view repair. All
Repair
Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform P

Page 3959 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0740-TORQ CONV CLU, NO RPM DROP AT LOCKUP (3SP AUTO
TRANS)
When Monitored and Set Condition:
P0740-TORQ CONV CLU, NO RPM DROP AT LOCKUP (3SP AUTO TRANS)
When Monitored: Run in third with con

Page 3960 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
2 Turn the ignition on.
With the DRBIIIt, read DTCs.
Are any of the following DTCs set in the PCM memory?
P0122 - Throttle Position Sensor Voltage Low
P0123 - Throttle Positi

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