Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Starting and Charging Schematics | |||
1 | Did you perform the Engine Electrical Diagnostic System Check? | Go to Step 2 | |
2 | Turn the ignition switch to the START position. Does the engine crank? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 |
Important: A flashing or illuminated security lamp indicates a theft deterrent malfunction. A theft deterrent malfunction may disable starter operation. Is the security lamp flashing? | Go to Diagnostic System Check - Theft Deterrent in Theft Deterrent | Go to Step 4 |
4 |
Does the scan tool display Yes? | Go to Step 5 | Go to Step 14 |
5 | Turn the ignition switch to the START position. Does the Starter relay click? | Go to Step 6 | Go to Step 9 |
6 |
Does the test lamp illuminate? | Go to Step 7 | Go to Step 25 |
7 | Connect a 30-amp fused jumper between the battery positive voltage circuit of the Starter relay switch circuit and the supply voltage circuit of the starter solenoid. Does the engine crank? | Go to Step 19 | Go to Step 8 |
8 | Does the fuse in the jumper open? | Go to Step 15 | Go to Step 16 |
9 |
Does the test lamp illuminate? | Go to Step 10 | Go to Step 12 |
10 |
Does the test lamp illuminate? | Go to Step 26 | Go to Step 11 |
11 | Turn the ignition to the START position. Does the test lamp illuminate? | Go to Step 19 | Go to Step 17 |
12 |
Does the test lamp illuminate? | Go to Step 20 | Go to Step 13 |
13 | Connect a test lamp between the ignition 1 voltage circuit of the PNP switch and a good ground. Does the test lamp illuminate? | Go to Step 27 | Go to Step 28 |
14 |
Does the test lamp illuminate? | Go to Step 22 | Go to Step 18 |
15 | Test the supply voltage circuit of the starter solenoid for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 34 | Go to Step 23 |
16 | Test the supply voltage circuit of the starter solenoid for a high resistance or open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 34 | Go to Step 23 |
17 | Test the control circuit of the Starter relay for a high resistance or open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 34 | Go to Step 22 |
18 | Test the crank request circuit of the PCM for a high resistance or open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 34 | Go to Step 24 |
19 | Inspect for poor connections at the Starter relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 34 | Go to Step 29 |
20 | Inspect the PNP switch for proper operation. Refer to Park/Neutral Position Switch Adjustment in Automatic Transaxle - 4T65-E. Did you find and correct the condition? | Go to Step 34 | Go to Step 21 |
21 | Inspect for poor connection at the PNP switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 34 | Go to Step 30 |
22 | Inspect for poor connections at the PCM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 34 | Go to Step 31 |
23 | Inspect for poor connections at the starter solenoid. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 34 | Go to Step 32 |
24 | Inspect for poor connections at the ignition switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 34 | Go to Step 33 |
25 | Repair the high resistance or open in the battery positive voltage circuit of the Starter relay switch. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 34 | -- |
26 | Repair the short to ground in the control circuit of the Starter relay. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 34 | -- |
27 | Repair the high resistance or open in the park/neutral signal circuit of the PNP switch. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 34 | -- |
28 | Repair the high resistance or open in the ignition 1 circuit of the PNP switch. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 34 | -- |
29 | Replace the Starter relay. Did you complete the replacement? | Go to Step 34 | -- |
30 | Replace the neutral safety switch. Refer to Park/Neutral Position Switch Replacement in Automatic Transaxle - 4T65-E. Did you complete the replacement? | Go to Step 34 | -- |
31 |
Important: Perform the set up procedures for the PCM. Refer to Powertrain Control Module Programming in Engine Controls - 3.4L. Replace the PCM. Refer to Powertrain Control Module Replacement in Engine Controls - 3.4L. Did you complete the replacement? | Go to Step 34 | -- |
32 | Replace the starter motor. Refer to Starter Motor Replacement . Did you complete the replacement? | Go to Step 34 | -- |
33 | Replace the ignition switch. Refer to Ignition Switch Replacement - On Vehicle in Steering Wheel and Column-Tilt. Did you complete the replacement? | Go to Step 34 | -- |
34 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
