TEST
ACTION
APPLICABILITY
12
Turn the ignition off.
Remove the Starter Relay from the PDC.
Install a substitute relay in place of the Starter Relay.
Attempt to start the engine.
Does the engine crank?
All
Yes
→ Replace the Starter Relay.
Perform NO START VERIFICATION - VER-1.
No
→ Repair the Starter Relay Ground Circuit for an open.
Perform NO START VERIFICATION - VER-1.
13
Turn the ignition off.
Remove the Starter Relay from the PDC.
Disconnect the Clutch Interlock Switch harness connector.
Connect a jumper wire across the Clutch Interlock Switch harness connector.
Using a 12-volt test light connected to ground, check the Ignition Switch Start
Output circuit at the Starter Relay connector in the PDC and turning the ignition
switch to the Start position.
Does the test light illuminate with the ignition switch in the Start position?
All
Yes
→ Replace the Clutch Interlock Switch.
Perform NO START VERIFICATION - VER-1.
No
→ Go To 14
14
Turn the ignition off.
Disconnect the Clutch Interlock Switch harness connector.
Remove the Starter Relay from the PDC.
Measure the resistance of the Clutch Interlock Switch Output circuit between the
PDC and the Clutch Interlock Switch harness connector.
Is the resistance below 10.0 ohms?
All
Yes
→ Repair the Ignition Switch Start Output circuit to the Clutch
Interlock Switch.
Perform NO START VERIFICATION - VER-1.
No
→ Repair the Clutch Interlock Switch Output circuit for an open.
Perform NO START VERIFICATION - VER-1.
15
Remove the Starter Relay from the IPM.
Using a 12-volt test light connected to ground, check the Fused B+ circuit in the
Starter Relay connector in the PDC.
Is the test light on?
All
Yes
→ Go To 16
No
→ Repair the Fused B(+) circuit for an open.
Perform NO START VERIFICATION - VER-1.
16
Turn the ignition off.
Remove the Starter Relay from the IPM.
Disconnect the Starter Relay Output wire from the Starter Solenoid.
Connect the Starter Relay Output wire (at the Starter) to ground.
Using a 12-volt test light connected to 12-volts, check the Starter Relay Output
circuit at the Starter Relay connector in the IPM.
Does the test light illuminate brightly?
All
Yes
→ Go To 17
No
→ Repair the Starter Relay Output circuit for an open.
Perform NO START VERIFICATION - VER-1.
243
DRIVEABILITY - DIESEL
*ENGINE WILL NOT CRANK —
Continued