Dodge ZB 2005 Service Manual page 1293

DRIVEABILITY - GAS
P1594-CHARGING SYSTEM VOLTAGE TOO HIGH —
TEST
3 Measure the resistance between ground and the Generator Field terminals on the
Generator.
Is the resistance below 100 ohms?
Yes → Replace or repair the Generator Field Coil for a short to ground.
No
4 Connect the PCM harness connectors and the Generator harness connector.
Ignition on, engine not running.
With the DRBIII in Inputs/Outputs, read the Batt Temp Sensor value.
Using a thermometer measure under hood temperature near Battery tray.
Is the temperature within 10 deg of Battery temperature?
Yes → Go To 5
No
5 NOTE: Before continuing, check the PCM harness connector terminals for
corrosion, damage, or terminal push out. Repair as necessary.
Using the schematics as a guide, inspect the wire harness and connectors. Pay
particular attention to all Power and Ground circuits.
If there are no possible causes remaining, view repair.
Repair
ACTION
Perform POWERTRAIN VERIFICATION TEST VER - 3.
→ Go To 4
→ Replace the Battery Temperature Sensor.
Perform POWERTRAIN VERIFICATION TEST VER - 3.
Replace and program the Powertrain Control Module per Service
Information.
Perform POWERTRAIN VERIFICATION TEST VER - 3.
172
Continued
APPLICABILITY
All
All
All