2000 CHRYSLER VOYAGER charging

TEST ACTION APPLICABILITY
5 Turn ignition on, engine not running.
Erase trouble codes.All
Refer to symptom * CHARGING SYSTEM NO CODE TEST in the
CHARGING category.
6 Ignition Off
Disconnect the Field Harness Connector at back of Generator.
Note: Check connectors - Clean/repair as necessary.
Using an ohmmeter, measure resistance of one of the Generator Field Terminals at
the Generator 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-3A.
No®Go To 7
7 Ignition Off
Disconnect the PCM Connector.
Disconnect the Field Harness Connector at back of Generator.
Note: Check connectors - Clean/repair as necessary.
Using an ohmmeter, measure the Generator Field Driver Circuit from PCM Connec-
tor to ground.
Is the resistance below 5.0 ohms?All
Ye s®Repair the Generator Field Driver Circuit short to ground.
Perform Powertrain Verification Test VER-3A.
No®Go To 8
8 Ignition off.
If there are no potential causes remaining, the PCM is assumed to be defective.
View repair optionsAll
Repair
Replace the Powertrain Control Module.
Perform Powertrain Verification Test VER-3A.
20
CHARGING
P-1594 CHARGING SYSTEM VOLTAGE TOO HIGH ÐContinued
ProCarManuals.com

Symptom:
P-1682 CHARGING SYSTEM VOLTAGE TOO LOW
When Monitored and Set Condition:
P-1682 CHARGING SYSTEM VOLTAGE TOO LOW
When Monitored: With no other charging system codes set. With the ignition on and the
engine running above 1500 RPM.
Set Condition: The battery sensed voltage is 1 volt below the charging system goal for 25
seconds. The PCM senses the battery voltage, turns off the field driver and senses the
battery voltage again. If the voltages are the same, the code is set.
POSSIBLE CAUSES
ASD RELAY OUTPUT CIRCUIT OPEN
GENERATOR FIELD DRIVER CIRCUIT OPEN
GENERATOR DEFECTIVE
GENERATOR DEFECTIVE (B)
PCM DEFECTIVE
TEST ACTION APPLICABILITY
1 Start engine, and allow it to idle.
Note: Battery must be fully charged.
Note: Generator Belt tension and condition must be checked before con-
tinuing.
With the DRB, read the Target Charging voltage.
Is the Target Charging voltage above 15.1 volts?All
Ye s®Go To 2
No®Go To 6
2 Ignition On, Engine Not Running
Using DRB Temperature Probe, measure the under hood temperature near PCM.
With the DRB, read the Ambient/BAT Temp.
Is the battery temperature within þ12 degrees C (10 degrees) of the under hood
temperature?All
Ye s®Go To 3
No®Replace the PCM.
Perform Powertrain Verification Test VER-3A.
21
CHARGING
ProCarManuals.com

TEST ACTION APPLICABILITY
3 Ignition Off
Note: Battery must be fully charged.
Note: Generator Belt tension and condition must be checked before con-
tinuing.
Disconnect the Generator Field Connector.
Disconnect PCM connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance of the ASD Output Circuit from PCM
Connector to Field Connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 4
No®Repair the ASD Relay Output Circuit, open circuit.
Perform Powertrain Verification Test VER-3A.
4 Ignition Off
Note: Battery must be fully charged.
Note: Generator belt tension and condition must be checked before continu-
ing.
Disconnect the Generator Field Connector.
Disconnect the PCM Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance of the Generator Field Driver Circuit
from PCM Connector to Generator Field Connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 5
No®Repair the open Driver Circuit.
Perform Powertrain Verification Test VER-3A.
5 If there are no potential causes remaining, the Generator is assumed to be defective.
View repair options.All
Repair
Repair or replace the Generator as necessary.
Perform Powertrain Verification Test VER-3A.
6 Ignition Off
Note: Battery must be fully charged.
Note: Generator Belt tension and condition must be checked before con-
tinuing.
Disconnect the Generator Field Connector.
Disconnect the PCM Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance of the ASD Output Circuit from PCM
Connector to Field Connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 7
No®Repair the ASD Relay Output Circuit, open circuit.
Perform Powertrain Verification Test VER-3A.
22
CHARGING
P-1682 CHARGING SYSTEM VOLTAGE TOO LOW ÐContinued
ProCarManuals.com

TEST ACTION APPLICABILITY
7 Ignition Off
Note: Battery must be fully charged.
Note: Generator belt tension and condition must be checked before continu-
ing.
Disconnect the Generator Field Connector.
Disconnect the PCM Connector.
Note: Check connectors - Clean/repair as necessary.
Using an Ohmmeter, measure the resistance of the Generator Field Driver Circuit
from PCM Connector to Generator Field Connector.
Is the resistance below 5.0 ohms?All
Ye s®Go To 8
No®Repair the open Driver Circuit.
Perform Powertrain Verification Test VER-3A.
8 If there are no potential causes remaining, the Generator is assumed to be defective.
View repair options.All
Repair
Repair or replace the Generator as necessary.
Perform Powertrain Verification Test VER-3A.
23
CHARGING
P-1682 CHARGING SYSTEM VOLTAGE TOO LOW ÐContinued
ProCarManuals.com

Symptom:
* CHECKING CHARGING SYSTEM OPERATION WITH NO DTC'S
POSSIBLE CAUSES
TROUBLE CODES PRESENT
VOLTAGE DIFFERENCE >= 1 VOLT
GENERATOR FIELD TERMINAL INTERMITTENT DEFECTIVE
GENERATOR GROUND CIRCUIT HIGH RESISTANCE
B+ CIRCUIT HIGH RESISTANCE (0.4 VOLT)
B+ CIRCUIT HIGH RESISTANCE (1 VOLT)
PCM DEFECTIVE (CHARGING SYSTEM NO CODE)
GENERATOR BELT VISIBLY DEFECTIVE
TROUBLE CODES PRESENT 1600 RPM
TEST ACTION APPLICABILITY
1Note: Battery condition must be verified prior to this test.
Inspect the Generator Belt tension and condition.
Is the Generator Belt in good condition?All
Ye s®Go To 2
No®Repair as necessary.
Perform Powertrain Verification Test VER-3A.
2 Engine Running
With the DRB, set engine speed to 1600 RPM for 30 seconds.
With the DRB, return the engine to idle speed and read codes.
Are there any Charging System trouble codes?All
Ye s®Refer to Symptom List for problems related to Charging.
Perform Powertrain Verification Test VER-3A.
No®Go To 3
3 Turn ignition on. (Engine off)
With the DRB, actuate the Generator field.
Using a Voltmeter, backprobe Generator Field Driver Terminal at the back of
Generator.
Note: The voltage should cycle from 7.2 volts to Battery voltage every 1.4
seconds, at both Terminals.
While monitoring the Voltmeter, wiggle the field Terminals back to the PCM and ASD
Relay.
Was there any interruption in the normal cycle between 7.2 volts and Battery
voltage?All
Ye s®Repair the Wire where wiggling interrupted the voltage cycle.
Perform Powertrain Verification Test VER-3A.
No®Go To 4
24
CHARGING
ProCarManuals.com

TEST ACTION APPLICABILITY
4 Engine Running
With the DRB, read trouble codes.
Are there any Charging System trouble codes?All
Ye s®Refer to Symptom List for problems related to Charging.
Perform Powertrain Verification Test VER-3A.
No®Go To 5
5 Ignition Off
Using a Voltmeter, measure the voltage between the Generator Case and Battery (-)
side.
Caution: Ensure all Wires are clear of the engine's moving parts.
Start the engine.
Is the voltage above 0.4 volt?All
Ye s®Repair Generator Ground high resistance Generator Case to
Battery (-) side.
Perform Powertrain Verification Test VER-3A.
No®Go To 6
6 Ignition Off
Connect Voltmeter between the Generator (12V) B+ Terminal and the Battery (+)
side.
Caution: Ensure all Wires are clear of the engine's moving parts.
Start the engine.
Is the voltage above 0.4 volt?All
Ye s®Repair the B(+) Circuit for high resistance between the Generator
and Battery.
Perform Powertrain Verification Test VER-3A.
No®Go To 7
7 Turn engine off, ignition key on.
With the DRB, read Battery voltage and record.
Using a Voltmeter, measure Battery voltage B(+) to B(-) Terminal.
Record second voltage reading.
Compare the two voltage readings.
Is the voltage difference less than one volt?All
Ye s®Test Complete.
Perform Powertrain Verification Test VER-3A.
No®Go To 8
8 Ignition Off
Disconnect the PCM Connector.
Note: Check connectors - Clean/repair as necessary.
Using a voltmeter, measure the fused B(+) at PCM.
Is the voltage within one volt of the DRB recorded reading?All
Ye s®Repair the B(+) Circuit for high resistance between the PCM and
the Battery.
Perform Powertrain Verification Test VER-3A.
No®Go To 9
25
CHARGING
* CHECKING CHARGING SYSTEM OPERATION WITH NO DTC'S Ð
Continued
ProCarManuals.com

TEST ACTION APPLICABILITY
9 If there are no other potential causes remaining, the PCM is assumed to be defective.
View repair options.All
Repair
Replace the PCM.
Perform Powertrain Verification Test VER-3A.
26
CHARGING
* CHECKING CHARGING SYSTEM OPERATION WITH NO DTC'S Ð
Continued
ProCarManuals.com

VERIFICATION TEST VER-3A APPLICABILITY
Charging System Verification
Use this test to verify that the Charging System symptom has been repaired and that the
vehicle can be returned to the customer.
Note: If the Powertrain Control Module has been replaced and the correct VIN and
mileage have not been programmed, a DTC will be set in the ABS, Airbag and the
SKIM modules. In addition, if the vehicle is equipped with a Sentry Key Immobilizer
Module (SKIM), Secret Key data must be updated to enable starting. Refer to
GENERAL INFORMATION section for programming information for the PCM, SKIM
and the Transponder (ignition key).
1. Inspect the vehicle to ensure that all components related to the repair are connected
properly.
2. With the DRBIIIt, Clear DTC's.
3. Perform generator output test. Refer to the appropriate service information as necessary.
4. Start the engine and set engine speed to 2000 RPM for at least thirty seconds.
5. Turn the ignition OFF.
6. Turn the ignition ON, with the engine not running.
7. With the DRBIIIt, Read the DTC's. If the DTC returns, or any other symptom or DTC is
present, refer to the symptom list for further diagnostic testing procedures. Check for any
Technical Service Bulletins that may apply.
8. If there are no DTC's present and all components are functioning properly, the repair is
complete.All
318
VERIFICATION TESTS
Verification Tests ÐContinued
ProCarManuals.com