Dodge Viper SRT-10 (ZB). Manual — part 450
TEST
ACTION
APPLICABILITY
4
Remove the Push Button Starter Switch.
Disconnect the Push Button Starter Switch harness connector.
Ignition on, engine not running.
Using a 12-volt test light connected to ground, probe the (G5) Fused Ignition Switch
Output circuit in the Switch harness connector.
Does the test light illuminate brightly?
All
Yes
→ Go To 5
No
→ Repair the open or short to ground in the (G5) Fused Ignition
Switch Output circuit. Inspect related fuses and repair as neces-
sary.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
5
Measure the resistance between the two terminals on the Push Button Starter
Switch with the Switch released and pressed.
Does the resistance change from an open circuit to below 5.0 ohms?
All
Yes
→ Go To 6
No
→ Replace the Push Button Start Switch.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
6
Turn the ignition off.
Connect the Push Button Starter Switch harness connector and properly install the
Switch.
Disconnect the Clutch Interlock Switch harness connector.
Ignition on, engine not running.
Using a 12-volt test light connected to ground, probe the (F145) Fused Ignition
Switch Output circuit in the Clutch Interlock harness connector.
While observing 12-volt test light, push the Push Button Starter Switch in the start
position.
Does the test light illuminate brightly?
All
Yes
→ Go To 7
No
→ Repair the open or short to ground in the Fused Ignition Switch
Output circuit. Inspect related fuses and repair as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
7
Shift the transmission into Neutral and apply the Parking Brake.
Connect a jumper wire between the two terminals of the Clutch Pedal Position
Switch and attempt to start the engine.
Does the engine crank?
All
Yes
→ Replace the Clutch Interlock Switch.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
No
→ Go To 8
NOTE: Remove the jumper wire and properly install the Switch before
continuing.
207
STARTING
*NO CRANK CONDITION —
Continued
TEST
ACTION
APPLICABILITY
8
Turn the ignition off.
Remove the Starter Relay.
Ignition on, engine not running.
Using a 12-volt test light connected to ground, probe the (F45) Fused Ignition Switch
Output circuit terminal in the PDC.
While observing 12-volt test light, push the Push Button Starter Switch in the start
position.
Does the test light illuminate brightly?
All
Yes
→ Repair the open or short to ground in the (F45) Fused Ignition
Switch Output circuit between the Relay and the Clutch Interlock
Switch.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
No
→ Go To 9
9
WARNING: The Parking Brake must be on and the Transmission must be in
neutral.
WARNING: WHEN THE ENGINE IS OPERATING, DO NOT STAND IN A
DIRECT LINE WITH THE FAN. DO NOT PUT YOUR HANDS NEAR THE
PULLEYS, BELTS OR FAN. DO NOT WEAR LOOSE CLOTHING.
Briefly connect a jumper wire between (A107) Fused B+ circuit and the (T40) Starter
Relay Output circuit at the PDC.
Did the Starter Motor crank the engine?
All
Yes
→ Go To 10
No
→ Go To 11
10
Turn the ignition off.
Disconnect the PCM harness connectors.
Measure the resistance in the (K90) Starter Relay Control circuit from the Relay
terminal and the PCM harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Replace the Starter Motor Relay.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
No
→ Repair the open in the (K90) Starter Relay Control circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
11
Using a 12-volt test light connected to ground, probe the (A107) Fused B+ circuit at
the Starter Relay terminal.
Does the test light illuminate brightly?
All
Yes
→ Go To 12
No
→ Repair the open or short to ground in the (A107) Fused B+ circuit.
Inspect related fuses and repair as necessary.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
12
Disconnect the Starter Relay Output connector from the Starter Solenoid.
Measure the resistance of the (T40) Starter Relay Output circuit from the Relay to
the Solenoid harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 13
No
→ Repair the open in the (T40) Starter Relay Output circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
208
STARTING
*NO CRANK CONDITION —
Continued
TEST
ACTION
APPLICABILITY
13
If there are no other possible causes remaining, review repair.
All
Repair
Replace the Starter.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
209
STARTING
*NO CRANK CONDITION —
Continued
Symptom:
*NO RESPONSE FROM PCM WITH A NO START CONDITION
POSSIBLE CAUSES
(A14) PCM FUSED B+ CIRCUIT
(F202) PCM FUSED IGNITION SWITCH OUTPUT CIRCUITS
(Z12) PCM GROUND CIRCUITS
TP SENSOR
(K7) 5-VOLT SENSOR OPEN/SHORTED
(K7) 5-VOLT SUPPLY CKT SHORT TO GROUND
(F888) 5-VOLT CIRCUIT SUPPLY SHORTED TO GROUND
PCM
TEST
ACTION
APPLICABILITY
1
NOTE: The DRBIII
t and cable must be operating properly for the results of
this test to be valid.
NOTE: Ensure the ignition switch was on while trying to communicate with
the PCM.
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 or short to ground in the (A14) Fused B+ circuit.
Inspect and replace fuses 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 or short to ground in the (F202) Ignition Switch
Output circuit. Inspect and replace fuses as necessary.
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
→ Go To 4
No
→ Repair the open in the (Z12) PCM ground circuits.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
210
STARTING
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