2001 CHRYSLER VOYAGER Service Manual

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Page 3809 of 4284

CHRYSLER VOYAGER 2001 Service Manual 7.0
DIAGNOSTIC INFORMATION AND
PROCEDURES
15

Page 3810 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P0622-GENERATOR FIELD NOT SWITCHING PROPERLY
When Monitored and Set Condition:
P0622-GENERATOR FIELD NOT SWITCHING PROPERLY
When Monitored: With the ignition on. Engine running.
Set Condition

Page 3811 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
4NOTE: Carefully inspect all Connectors for corrosion or spread Terminals
before continuing.
Disconnect the Generator Field harness connector.
Turn the ignition on.
With the

Page 3812 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P1594-CHARGING SYSTEM VOLTAGE TOO HIGH
When Monitored and Set Condition:
P1594-CHARGING SYSTEM VOLTAGE TOO HIGH
When Monitored: The engine running. The engine speed greater than 380 RPM.
Set

Page 3813 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
4WARNING: 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: Th

TEST ACTION APPLICABILITY
4WARNING: 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 - 3.
No®Test Complete.
5 Turn the ignition off.
Disconnect the PCM harness connector.
Disconnect the Generator Field harness connector.
Measure the resistance of the Generator Field Driver circuit from the PCM harness
connector to ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Generator Field Driver circuit shorted to ground.
Perform POWERTRAIN VERIFICATION TEST VER - 3.
No®Go To 6
6 Turn the ignition off.
Disconnect the Generator Field harness connector.
Measure resistance of the Generator Field Driver terminal to ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair or replace the shorted Generator as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 3.
No®Go To 7
7 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 - 3.
19
CHARGING
P1594-CHARGING SYSTEM VOLTAGE TOO HIGH ÐContinued

Page 3814 of 4284

CHRYSLER VOYAGER 2001 Service Manual Symptom:
P1682-CHARGING SYSTEM VOLTAGE TOO LOW
When Monitored and Set Condition:
P1682-CHARGING SYSTEM VOLTAGE TOO LOW
When Monitored: With the ignition on. Engine RPM greater than 1152 RPM. With no
o

Page 3815 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
2WARNING: 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.
Turn the

Page 3816 of 4284

CHRYSLER VOYAGER 2001 Service Manual TEST ACTION APPLICABILITY
6 Disconnect the Generator Field harness connector.
Turn the ignition on.
With the DRBIIItactuate the Generator Field Driver.
Using a 12-volt test light connected to ground,

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