Chrysler PT Cruiser 2001 Service Manual Supplement page 2486

CHARGING
Symptom:
*CHECKING CHARGING SYSTEM OPERATION WITH NO DTC'S
PRESENT
B (+) CIRCUIT HIGH RESISTANCE
GENERATOR GROUND HIGH RESISTANCE
B(+) CIRCUIT HIGH RESISTANCE (1.0 VOLT)
GENERATOR BELT OBSERVABLE PROBLEM
GENERATOR FIELD TERMINAL INTERMITTENT PROBLEM
TROUBLE CODES PRESENT
TROUBLE CODES PRESENT 2000 RPM
PCM (CHARGING SYSTEM NO CODE)
TEST
1 Turn the ignition off.
Note: Battery condition must be verified prior to this test.
Inspect the Generator Belt tension and condition.
Is the Generator Belt OK?
Yes → Go To 2
→ Repair as necessary.
No
2 Start the engine.
Turn on all accessories.
Raise engine speed to 2000 RPM for 30 seconds then return to idle.
With the DRBIII , read DTC's.
Are there any Charging System Trouble Codes?
Yes → Refer to Symptom list for problems related to Charging.
→ Go To 3
No
3 Ignition on, engine not running.
With the DRBIII , actuate the Generator Field.
Using a 12-volt test light, backprobe the Generator Field Driver Terminal at the back
of the Generator.
Note: The test light should blink On and Off every 1.4 seconds.
While monitoring the 12-volt test light, wiggle the Field Terminals back to the PCM
and ASD Relay.
Was there any interruption in the normal cycle of the test light?
Yes → Repair the wire where wiggling interrupted the voltage cycle.
→ Go To 4
No
POSSIBLE CAUSES
ACTION
Perform POWERTRAIN VERIFICATION TEST VER - 3.
Perform POWERTRAIN VERIFICATION TEST VER - 3.
Perform POWERTRAIN VERIFICATION TEST VER - 3.
26
APPLICABILITY
All
All
All