Chrysler PT Cruiser 2001 Service Manual Supplement page 2480

CHARGING
P1594-CHARGING SYSTEM VOLTAGE TOO HIGH —
TEST
10 Turn the ignition off.
Disconnect the Field Harness Connector at back of the Generator.
Note: Check connectors - Clean/repair as necessary.
Measure resistance of the Generator Field Driver Circuit at the Generator to Ground.
Is the resistance below 5.0 ohms?
Yes → Repair or replace the shorted Generator as necessary.
→ Go To 11
No
11 Turn the ignition off.
Note: Battery must be fully charged.
Note: Generator Belt tension and condition must be checked before con-
tinuing.
Start engine and allow it to reach operating temperature.
With the DRBIII in Inputs/Outputs, read the Batt/Amb Temperature sensor.
Using a Thermometer, measure under hood temperature.
Is the temperature within 10 F degrees of Battery temperature?
Yes → Go To 12
→ Replace Powertrain Control Module.
No
12 If there are no possible causes remaining.
View repair options.
Repair
ACTION
Perform POWERTRAIN VERIFICATION TEST VER - 3.
Perform POWERTRAIN VERIFICATION TEST VER - 3.
Replace the Powertrain Control Module.
Perform POWERTRAIN VERIFICATION TEST VER - 3.
20
Continued
APPLICABILITY
All
All
All