Chrysler 300M 2002 Service Manual page 2545

DRIVEABILITY - NGC
P0201-FUEL INJECTOR #1 —
INTERMITTENT CONDITION
ASD RELAY OUTPUT CIRCUIT
FUEL INJECTOR
FUEL INJECTOR DRIVER CIRCUIT OPEN
FUEL INJECTOR DRIVER CIRCUIT SHORTED TO GROUND
PCM
TEST
1 Ignition on, engine not running.
With the DRBIII , read DTCs and record the related Freeze Frame data.
Is the Good Trip Counter displayed and equal to zero?
Yes → Go To 2
→ Go To 7
No
2 Turn the ignition off.
Disconnect the Fuel Injector harness connector.
Ignition on, engine not running.
With the DRBIII , actuate the ASD Relay.
Using a 12-volt test light connected to ground, backprobe the ASD Relay Output
circuit at the Fuel Injector harness connector.
Does the test light illuminate brightly?
Yes → Go To 3
→ Repair the open or high resistance in the ASD Relay Output
No
3 Turn the ignition off.
Disconnect the Fuel Injector harness connector.
Ignition on, engine not running.
Using a 12-volt test light connected to 12-volts, backprobe the Fuel Injector Driver
circuit.
With the DRBIII , actuate the Fuel Injector.
Does the test light blink/flicker?
Yes → Replace the Fuel Injector.
→ Go To 4
No
Continued
POSSIBLE CAUSES
ACTION
circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
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APPLICABILITY
All
All
All