Engine Will Not Crank

NO CRANK CONDITION

For a complete wiring diagram, refer to the Wiring Information Electrical Diagrams.

1. MECHANICAL CONDITION

NOTE: Check and diagnose all the TIPM DTC(s) before continuing.

NOTE: Make sure the Gear selector is in Park or Neutral.

NOTE: Verify the battery is fully charged and capable of passing a load test before continuing.

WARNING: Make sure the battery is disconnected, then wait two minutes before proceeding. Failure to do so may result in possible serious or fatal injury.

1. Turn the engine over by hand to make sure the engine is not seized.

Is the engine able to turn over?

Yes

- Go To 2

No

- Repair the mechanical condition preventing the starter motor from cranking.
- Perform the POWERTRAIN VERIFICATION TEST. PCM Verification Test.

2. REMOTE START ANTENNA

NOTE: If the vehicle is not equipped with Remote Start, proceed to the next test step.

1. Reconnect the battery.
2. Turn the ignition on.
3. Using the scan tool, erase DTCs.
4. Turn the ignition off.
5. Disconnect the Remote Start Antenna from the Wireless Control Module (WCM).
6. Using the ignition key, start the vehicle.

Did the vehicle start?

Yes

- Replace the Remote Start Antenna.
- Perform the BODY VERIFICATION TEST. Body Verification Test.

No

- Go To 3

3. EXCESSIVE RESISTANCE IN THE BATTERY CIRCUIT
1. Connect the battery cables.
2. Turn the ignition off.
3. Check the Battery Cables for excessive resistance using the service information procedure.

Did either Battery Cable have a voltage drop greater than 0.2 of a volt?

Yes

- Repair the excessive resistance in the Battery circuit.
- Perform the PCM Verification TestPCM Verification Test.

No

- Go To 4

4. MANUAL TRANSMISSION

Is this vehicle equipped with a Manual transmission?

Yes

- Go To 9

No

- Go To 5

5. START ENABLE OPERATION (ATX)
1. Turn ignition on.
2. Using a scan tool, monitor the Ignition Start Switch Sense.
3. Turn the ignition switch to the crank position.

Does the Ignition Start Switch Sense state change from Low to High?

Yes

- Make sure the battery connection is clean and fastened tightly to the Starter. If OK, replace the Starter.

No

- Go To 6

6. START ENABLE CIRCUIT (ATX)

1. Turn the ignition off.
2. Test light still in the above position.
3. Disconnect the Transmission Range Sensor harness connector.
4. Using a jumper wire, connect one end to the Start Enable circuit and the other to the Fused Ignition Switch Output (Start) circuit in the Transmission Range Sensor harness connector.
5. Turn the ignition to the crank position.

Does the test light illuminate brightly?

Yes

- Replace Transmission Range Sensor harness.
- Perform the PCM Verification TestPCM Verification Test.

No

- Go To 8

8. FUSED IGNITION SWITCH OUTPUT (START) CIRCUIT (ATX)

1. Turn the ignition off.
2. Using a 12-volt test light connected to ground, probe the Fused Ignition Switch Output (Start) circuit in the Transmission Range Sensor harness connector.
3. Turn the ignition to the crank position.

Does the test light illuminate brightly?

Yes

- Repair the Start Enable circuit.
- Perform the PCM Verification TestPCM Verification Test.

No

- Check the Fused Ignition Switch Output (Start) circuit for an open. If OK, replace the TIPM.
- Perform the PCM Verification TestPCM Verification Test.

9. START ENABLE OPERATION (MTX)
1. Turn ignition on.
2. Using a scan tool, monitor the Ignition Start Switch Sense.
3. Turn the ignition switch to the crank position.

Does the Ignition Start Switch Sense state change from Low to High?

Yes

- Go To 11

No

- Go To 10

10. STATER ENABLE CIRCUIT (MTX)

1. Turn the ignition off.
2. Disconnect the PCM harness connector.

NOTE: When checking circuits at the Powertrain Control Module (PCM), be careful not to damage or distort the connector terminals. Improper measurement technique could result in poor pin to terminal contact.

3. Using a 12-volt test light connected to ground, probe the Start Enable circuit in the PCM harness connector while holding the ignition key in the start position.

Does the test light illuminate brightly?

Yes

- Replace the PCM.
- Perform the PCM Verification TestPCM Verification Test.

No

- Check the Start Enable circuit. If OK, replace the TIPM.
- Perform the PCM Verification TestPCM Verification Test.

11. CLUTCH INTERLOCK OPERATION (MTX)
1. Turn ignition on.
2. Using a scan tool, monitor the Clutch Switch.
3. Press the Clutch in and out.

Does Clutch Switch display Released and then Pressed?

Yes

- Replace the Starter.
- Perform the PCM Verification TestPCM Verification Test.

No

- Go To 12

12. CLUTCH INTERLOCK OPERATION (MTX)

1. Turn the ignition off.
2. Test light still in the above position.
3. Disconnect the Clutch Interlock Switch harness connector.
4. Using a jumper wire, connect one end to the Clutch Interlock Switch Signal circuit and the other to the Clutch Interlock Switch ground circuit in the Clutch Interlock Switch harness connector.

Does the test light illuminate brightly?

Yes

- Replace Clutch Interlock Switch.
- Perform the PCM Verification TestPCM Verification Test.

No

- Go To 14

14. CLUTCH INTERLOCK OPERATION (MTX)

1. Remove the jumper wire.
2. Using a 12-volt test light connected to battery voltage, probe the Clutch Interlock Switch ground circuit.

Does the test light illuminate brightly?

Yes

- Repair the Clutch Interlock Switch ground circuit.
- Perform the PCM Verification TestPCM Verification Test.

No

- Repair the Clutch Interlock Switch signal circuit.
- Perform the PCM Verification TestPCM Verification Test.