Dodge Viper SRT-10 (ZB). Manual — part 447
TEST
ACTION
APPLICABILITY
10
Ignition on, engine not running.
With the DRBIII
t, actuate the Generator Field Driver.
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?
All
Yes
→ Repair the wire or connector where the wiggling interrupted the
voltage cycle.
Perform POWERTRAIN VERIFICATION TEST VER - 3.
No
→ Test Complete.
195
DRIVEABILITY - GAS
*CHECKING CHARGING SYSTEM OPERATION WITH NO DTCS —
Continued
Symptom:
*CHECKING RADIATOR FAN OPERATION
POSSIBLE CAUSES
HARNESS INSPECTION
HYDRAULIC FAN
TEST
ACTION
APPLICABILITY
1
Ignition on, engine not running.
With the DRBIII
t select Engine Test, Systems Test, and Hydraulic Fan Solenoid
Test.
Actuate the Hydraulic Fan Solenoid Test.
Does the fan operate properly?
All
Yes
→ Test Complete.
No
→ Go To 2
2
Turn the ignition off.
Check to see if the fan wire harness is properly connected at the upper right corner
of the fan shroud.
Check to see if the fan wire harness is properly connected at the fan solenoid on the
fan motor.
Check the harness for continuity from the Hydraulic Fan Relay to the solenoid.
Inspect connector terminals for proper pin fit and corrosion.
Inspect the related fuse and relay.
Were any problems found?
All
Yes
→ Repair any defective wire harness concerns.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
No
→ Go To 3
3
Turn the ignition off.
Inspect the hydraulic circuit for leaks and repair as necessary.
Were any problems found?
All
Yes
→ Repair the Hydraulic leaks and/or replace the Hydraulic Fan
assembly.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
No
→ Test Complete.
196
DRIVEABILITY - GAS
Symptom:
*CHECKING THE PCM POWER AND GROUNDS
POSSIBLE CAUSES
(A14) PCM FUSED B+ CIRCUIT
(F202) PCM FUSED IGNITION SWITCH OUTPUT CIRCUIT
(Z12) PCM GROUND CIRCUITS
TEST
ACTION
APPLICABILITY
1
Turn the ignition off.
Disconnect the PCM harness connectors.
Using a 12-volt test light connected to ground, probe the (A14) PCM Fused B+ circuit
in the PCM harness connector.
Does the test light illuminate brightly?
All
Yes
→ Go To 2
No
→ Repair the open in the (A14) Fused B+ circuit. Inspect the related
fuse and repair as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
2
Ignition on, engine not running.
Using a 12-volt test light connected to ground, probe the (F202) PCM Fused Ignition
Switch Output circuit in the PCM harness connector.
Does the test light illuminate brightly?
All
Yes
→ Go To 3
No
→ Repair the open in the (F202) Fused Ignition Switch Output
circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
3
Turn the ignition off.
Using a 12-volt test light connected to battery voltage, probe the (Z12) PCM ground
circuits in the PCM harness connector.
Does the test light illuminate brightly?
All
Yes
→ Test Complete.
No
→ Repair the open in the PCM ground circuits.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
197
DRIVEABILITY - GAS
Symptom:
*CHECKING FUEL DELIVERY
POSSIBLE CAUSES
FUEL PUMP RELAY
FUEL PRESSURE OUT OF SPECIFICATION
RESTRICTED FUEL SUPPLY LINE
FUEL PUMP INLET STRAINER PLUGGED
FUEL PUMP
FUSED B+ OR FUSED IGNITION SWITCH CIRCUIT OPEN
(A141) FUEL PUMP RELAY OUTPUT CIRCUIT OPEN
(Z1) GROUND CIRCUIT OPEN/HIGH RESISTANCE
FUEL PUMP MODULE
TEST
ACTION
APPLICABILITY
1
Ignition on, engine not running.
With the DRBIII
t, actuate the Fuel System test.
NOTE: It may be necessary to use a mechanics stethoscope in the next step.
Listen for fuel pump operation at the fuel tank.
Does the Fuel Pump operate?
All
Yes
→ Go To 2
No
→ Go To 5
CAUTION: Stop All Actuations.
2
Turn the ignition off.
WARNING: The fuel system is under a constant pressure even with the
engine off. Before testing or servicing any fuel system hose, fitting or line,
the fuel system pressure must be released.
Install a fuel pressure gauge at the engine.
Ignition on, engine not running.
With the DRBIII
t, actuate the ASD Fuel System test and observe the fuel pressure
gauge.
NOTE: Fuel pressure specification is 379 KPa +/- 14 KPa (55 psi +/- 2 psi).
Choose a conclusion that best matches your fuel pressure reading.
All
Below Specification
Within Specification
Test Complete.
Above Specification
Replace the fuel filter/fuel pressure regulator.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
CAUTION: Stop All Actuations.
198
STARTING
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