For 1990-2009 cars

Step | Action | Value(s) | Yes | No
--- | --- | --- | --- | ---
1 | Did you perform the Vehicle Theft Deterrent (VTD) System Check? | -- | Go to Step 2 | Go to Vehicle Theft Deterrent (VTD) System Check
2 |

1. Turn OFF the ignition switch.
2. Disconnect the starter enable relay.
3. Connect a fused jumper between the starter enable relay harness connector terminal C1 and terminal A2.
4. Attempt to start the vehicle.

Does the vehicle start?

--

Go to Step 4

Go to Step 3

3 | Does the engine crank? | -- | Go to Step 6 | Go to Step 5
4 | Measure the voltage between the starter enable relay harness connector C202 CKT 5 and ground while trying to start the engine. Is the voltage within the specified range? | 10-15 V | Go to Step 11 | Go to Step 9
5 |

1. Disconnect the PCM connector C1 (BLU).
2. Measure the resistance between terminal C2 and ground.

Is the resistance within the specified range?

0-5 ohms

Go to Step 8

Go to Starting System Check in Engine Electrical

6 | Inspect the following PASS-Key®II module terminals for proper connections:

1. Terminal A1
2. Terminal A2
3. Terminal B2
4. Terminal B5
5. Terminal B6

Refer to Intermittents and Poor Connections Diagnosis in Wiring Systems.

Are the terminal connections OK?

--

Go to Step 7

Go to Step 17

7 | Test the following power and ground circuits to the PASS-Key®II module for an open or a short to ground:

1. CKT 439
2. CKT 251
3. CKT 1642

Are the circuits OK?

--

Go to Step 15

Go to Step 14

8 |

1. Repair the short to ground in CKT 1433. Refer to Wiring Repairs in Wiring Systems.
2. Reconnect the PCM connector C1.

Is the repair complete?

--

Go to Vehicle Theft Deterrent (VTD) System Check

--

9 | Inspect the IP fuse block crank fuse Is the fuse OK? | -- | Go to Step 10 | Go to Step 18
10 | Test CKT 806 for an open or a short to ground. Is the CKT OK? | -- | Go to Vehicle Theft Deterrent (VTD) System Check | Go to Step 14
11 | Measure the voltage between the starter enable relay harness connector terminal C2 and terminal A1 while trying to start the engine. Is the voltage within the specified range? | 10-15 V | Go to Step 16 | Go to Step 12
12 |

1. Inspect the PARK/NEUTRAL position switch for proper operation.
2. Inspect the PASS-Key®II module terminal A4 for proper connections.

Refer to Intermittents and Poor Connections Diagnosis in Wiring Systems.

Is the terminal contact OK?

--

Go to Step 13

Go to Step 17

13 | Test the following circuits for an open:

1. CKT 625
2. CKT 575
3. CKT 806

Are the circuits OK?

--

Go to Step 15

Go to Step 14

14 | Repair the faulty wiring. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 15 | --
15 | Replace the PASS-Key®II theft deterrent module. Refer to Theft Deterrent Module Replacement . Is the repair complete? | -- | Go to Vehicle Theft Deterrent (VTD) System Check | --
16 | Replace the starter enable relay. Refer to Theft Deterrent Relay Replacement . Is the repair complete? | -- | Go to Vehicle Theft Deterrent (VTD) System Check | --
17 | Repair the terminal contact. Refer to Repairing Connector Terminals in Wiring Systems. Is the repair complete? | -- | Go to Vehicle Theft Deterrent (VTD) System Check | --
18 | Repair the short to ground in CKT 806. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Vehicle Theft Deterrent (VTD) System Check | --