Dodge Viper SRT-10 (ZB). Manual — part 420
POSSIBLE CAUSES
FUEL INJECTOR DRIVER CIRCUIT SHORTED TO GROUND
PCM
TEST
ACTION
APPLICABILITY
1
Ignition on, engine not running.
NOTE: Diagnose any Misfire DTCs before continuing. If a Misfire is detected
for a particular cylinder, the PCM will shut down that Injectors Control
circuit.
With the DRBIII
t, read DTCs and record the related Freeze Frame data.
Is the Good Trip Counter displayed and equal to zero?
All
Yes
→ Go To 2
No
→ Refer to the INTERMITTENT CONDTION Symptom (Diagnostic
Procedure).
Perform POWERTRAIN VERIFICATION TEST VER - 5.
2
Turn the ignition off.
Disconnect the Fuel Injector harness connector.
Ignition on, engine not running.
With the DRBIII
t, actuate the ASD Relay.
Using a 12-volt test light connected to ground, probe the (K342) ASD Relay Output
circuit at the Fuel Injector harness connector.
Does the test light illuminate brightly?
All
Yes
→ Go To 3
No
→ Repair the open or short to ground in the (K342) ASD Relay
Output circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
3
Using a 12-volt test light connected to 12-volts, backprobe the Fuel Injector Driver
circuit.
With the DRBIII
t, actuate the Fuel Injector.
What is the state of the test light while actuating the Fuel Injector?
All
Brightly blinking or flickering.
Replace the Fuel Injector.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
ON constantly
OFF constantly
4
Turn the ignition off.
Disconnect the PCM harness connectors.
Measure the resistance between ground and the Fuel Injector Control circuit at the
Fuel Injector harness connector.
Is the resistance below 100 ohms?
All
Yes
→ Repair the short to ground in the Fuel Injector Control circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
No
→ Go To 6
87
DRIVEABILITY - GAS
P0201-INJECTOR #1 CONTROL CIRCUIT —
Continued
TEST
ACTION
APPLICABILITY
5
Turn the ignition off.
Disconnect the PCM harness connectors.
Measure the resistance of the Fuel Injector Control circuit from the Fuel Injector
harness connector to the PCM harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 6
No
→ Repair the open in the Fuel Injector Control circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
6
NOTE: Before continuing, check the PCM harness connector terminals for
corrosion, damage, or terminal push out. Repair as necessary.
If there are no possible causes remaining, view repair.
All
Repair
Replace and program the Powertrain Control Module per Service
Information.
Perform POWERTRAIN VERIFICATION TEST VER - 5.
88
DRIVEABILITY - GAS
P0201-INJECTOR #1 CONTROL CIRCUIT —
Continued
Symptom List:
P0300-MULTIPLE CYLINDER MIS-FIRE
P0301-CYLINDER #1 MISFIRE
P0302-CYLINDER #2 MISFIRE
P0303-CYLINDER #3 MISFIRE
P0304-CYLINDER #4 MISFIRE
P0305-CYLINDER #5 MISFIRE
P0306-CYLINDER #6 MISFIRE
P0307-CYLINDER #7 MISFIRE
P0308-CYLINDER #8 MISFIRE
P0309-CYLINDER #9 MISFIRE
P0310-CYLINDER #10 MISFIRE
Test Note:
All symptoms listed above are diagnosed using the same tests.
The title for the tests will be P0300-MULTIPLE CYLINDER
MIS-FIRE.
When Monitored and Set Condition:
P0300-MULTIPLE CYLINDER MIS-FIRE
When Monitored:
Any time the engine is running, and the adaptive numerator has been
successfully updated.
Set Condition:
When more than a 1% misfire rate is measured during two trips, or with
a 6% to 30% misfire rate during one trip.
P0301-CYLINDER #1 MISFIRE
When Monitored:
Any time the engine is running, and the adaptive numerator has been
successfully updated.
Set Condition:
When more than a 1% misfire rate is measured during two trips, or with
a 6% to 30% misfire rate during one trip.
P0302-CYLINDER #2 MISFIRE
When Monitored:
Any time the engine is running, and the adaptive numerator has been
successfully updated.
Set Condition:
When more than a 1% misfire rate is measured during two trips, or with
a 6% to 30% misfire rate during one trip.
P0303-CYLINDER #3 MISFIRE
When Monitored:
Any time the engine is running, and the adaptive numerator has been
successfully updated.
Set Condition:
When more than a 1% misfire rate is measured during two trips, or with
a 6% to 30% misfire rate during one trip.
89
DRIVEABILITY - GAS
P0304-CYLINDER #4 MISFIRE
When Monitored:
Any time the engine is running, and the adaptive numerator has been
successfully updated.
Set Condition:
When more than a 1% misfire rate is measured during two trips, or with
a 6% to 30% misfire rate during one trip.
P0305-CYLINDER #5 MISFIRE
When Monitored:
Any time the engine is running, and the adaptive numerator has been
successfully updated.
Set Condition:
When more than a 1% misfire rate is measured during two trips, or with
a 6% to 30% misfire rate during one trip.
P0306-CYLINDER #6 MISFIRE
When Monitored:
Any time the engine is running, and the adaptive numerator has been
successfully updated.
Set Condition:
When more than a 1% misfire rate is measured during two trips, or with
a 6% to 30% misfire rate during one trip.
P0307-CYLINDER #7 MISFIRE
When Monitored:
Any time the engine is running, and the adaptive numerator has been
successfully updated.
Set Condition:
When more than a 1% misfire rate is measured during two trips, or with
a 6% to 30% misfire rate during one trip.
P0308-CYLINDER #8 MISFIRE
When Monitored:
Any time the engine is running, and the adaptive numerator has been
successfully updated.
Set Condition:
When more than a 1% misfire rate is measured during two trips, or with
a 6% to 30% misfire rate during one trip.
P0309-CYLINDER #9 MISFIRE
When Monitored:
Any time the engine is running, and the adaptive numerator has been
successfully updated.
Set Condition:
When more than a 1% misfire rate is measured during two trips, or with
a 6% to 30% misfire rate during one trip.
P0310-CYLINDER #10 MISFIRE
When Monitored:
Any time the engine is running, and the adaptive numerator has been
successfully updated.
Set Condition:
When more than a 1% misfire rate is measured during two trips, or with
a 6% to 30% misfire rate during one trip.
90
DRIVEABILITY - GAS
P0300-MULTIPLE CYLINDER MIS-FIRE —
Continued
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