Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Starting and Charging Schematics | |||
1 | Did you perform the Diagnostic System Check for Engine Electrical? | Go to Step 2 | |
2 | Turn the ignition 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 |
Does the scan tool display Yes? | Go to Step 4 | Go to Step 15 |
4 |
Does the scan tool display Yes? | Go to Step 5 | Go to Step 17 |
5 |
Does the scan tool display Yes? | Go to Step 6 | Go to Step 18 |
6 |
Does the scan tool display Enabled? | Go to Step 7 | Go to Diagnostic System Check - Theft Deterrent in Theft Deterrent |
7 | Turn the ignition to the START position. Does the Starter relay click? | Go to Step 12 | Go to Step 8 |
8 |
Does the test lamp illuminate? | Go to Step 9 | Go to Step 19 |
9 |
Does the test lamp illuminate? | Go to Step 26 | Go to Step 10 |
10 |
Does the test lamp illuminate? | Go to Step 25 | Go to Step 11 |
11 |
Does the test lamp illuminate? | Go to Step 20 | Go to Step 30 |
12 |
Does the test lamp illuminate? | Go to Step 13 | Go to Step 31 |
13 |
Important: The engine may crank when the fused jumper is put into place. 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 26 | Go to Step 14 |
14 | Does the fuse in the jumper open? | Go to Step 21 | Go to Step 22 |
15 |
Does the test lamp illuminate? | Go to Step 27 | Go to Step 16 |
16 | Test the crank request signal circuit of the PCM for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 39 | Go to Step 28 |
17 | Test the crank signal circuit of the IPC for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 39 | Go to Step 23 |
18 | Test the crank signal circuit of the BCM for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 39 | Go to Step 24 |
19 | Test the ignition 1 voltage circuit of the Starter relay coil for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 39 | Go to Step 28 |
20 | Test the Starter relay control circuit for an open, high resistance or short to battery voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 39 | Go to Step 27 |
21 | 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 39 | Go to Step 29 |
22 | Test the supply voltage circuit of the starter solenoid for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 39 | Go to Step 29 |
23 | Inspect for poor connection at the IPC harness connector. 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 39 | Go to Step 35 |
24 | Inspect for poor connection at the BCM harness connector. 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 39 | Go to Step 36 |
25 |
Did you find and correct the condition? | Go to Step 39 | Go to Step 32 |
26 | 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 39 | Go to Step 33 |
27 | Inspect for poor connection at the PCM harness connector. 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 39 | Go to Step 34 |
28 | Inspect for poor connections at the ignition switch harness connector. 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 39 | Go to Step 37 |
29 | 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 39 | Go to Step 38 |
30 | Repair the open, high resistance, or short to batter voltage in the Park/Neutral signal circuit. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 39 | -- |
31 | Repair the open or high resistance 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 39 | -- |
32 | Replace the PNP switch. Refer to Park/Neutral Position Switch Replacement in Automatic Transaxle - 4T65-E. Did you complete the replacement? | Go to Step 39 | -- |
33 | Replace the Starter relay. Did you complete the replacement? | Go to Step 39 | -- |
34 |
IMPORTANT:: Perform the set up procedures for the PCM. Refer to Powertrain Control Module Programming in Engine Controls - 3.5L. Replace the PCM. Refer to Powertrain Control Module Replacement in Engine Controls - 3.5L. Did you complete the replacement? | Go to Step 39 | -- |
35 | Replace the IPC. Refer to Instrument Cluster Replacement in Instrument Panel, Gages, and Console. Did you complete the replacement? | Go to Step 39 | -- |
36 |
IMPORTANT:: Perform the set up procedures for the BCM. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System. Replace the BCM. Refer to Body Control Module Replacement in Body Control System. Did you complete the replacement? | Go to Step 39 | -- |
37 | Replace the Ignition Switch. Refer to Ignition Switch Lock Cylinder Replacement in Instrument Panel, Gages, and Console. Did you complete the replacement? | Go to Step 39 | -- |
38 | Replace the Starter Motor. Refer to Starter Motor Replacement . Did you complete the replacement? | Go to Step 39 | -- |
39 | Operate the system for which the symptom occurred. Did you correct the condition? | System OK | Go to Step 2 |
Step | Action | Yes | No |
---|---|---|---|
Schematic Reference: Starting and Charging Schematics | |||
1 | Did you perform the Diagnostic System Check for Engine Electrical? | Go to Step 2 | |
2 | Turn the ignition 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 |
Does the scan tool display Yes? | Go to Step 4 | Go to Step 14 |
4 |
Does the scan tool display Yes? | Go to Step 5 | Go to Step 18 |
5 |
Does the scan tool display Yes? | Go to Step 6 | Go to Step 19 |
6 |
Does the scan tool display Enabled? | Go to Step 7 | Go to Diagnostic System Check - Theft Deterrent in Theft Deterrent |
7 | Turn the ignition to the START position. Does the Starter relay click? | Go to Step 10 | Go to Step 8 |
8 |
Does the test lamp illuminate? | Go to Step 9 | Go to Step 20 |
9 |
Does the test lamp illuminate? | Go to Step 27 | Go to Step 21 |
10 |
Important: The engine may crank when the fused jumper is put into place. Does the engine crank? | Go to Step 27 | Go to Step 11 |
11 | Does the fuse in the jumper open? | Go to Step 15 | Go to Step 12 |
12 |
Does the engine crank? | Go to Step 26 | Go to Step 13 |
13 |
Does the test lamp illuminate? | Go to Step 23 | Go to Step 32 |
14 |
Does the test lamp illuminate? | Go to Step 28 | Go to Step 17 |
15 |
Does the fuse in the jumper open? | Go to Step 31 | Go to Step 16 |
16 |
Does the fuse in the jumper open? | Go to Step 22 | Go to Step 26 |
17 | Test the crank voltage signal circuit of the PCM for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 40 | Go to Step 29 |
18 | Test the crank signal circuit of the IPC for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 40 | Go to Step 24 |
19 | Test the crank signal circuit of the BCM for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 40 | Go to Step 25 |
20 | Test the battery positive voltage circuit of the Starter relay coil for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 40 | Go to Step 29 |
21 | Test the control circuit of the Starter relay for an open, high resistance or short to battery voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 40 | Go to Step 28 |
22 | 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 40 | Go to Step 30 |
23 | Test the supply voltage circuit of the starter solenoid for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 40 | Go to Step 30 |
24 | Inspect for poor connection at the IPC harness connector. 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 40 | Go to Step 36 |
25 | Inspect for poor connection at the BCM harness connector. 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 40 | Go to Step 37 |
26 |
Did you find and correct the condition? | Go to Step 40 | Go to Step 33 |
27 | 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 40 | Go to Step 34 |
28 | Inspect for poor connection at the PCM harness connector. 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 40 | Go to Step 35 |
29 | Inspect for poor connections at the ignition switch harness connector. 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 40 | Go to Step 38 |
30 | 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 40 | Go to Step 39 |
31 | Repair the short to ground 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 40 | -- |
32 | Repair the open or high resistance 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 40 | -- |
33 | Replace the PNP switch. Refer to Park/Neutral Position Switch Replacement in Automatic Transaxle - 4T65-E. Did you complete the replacement? | Go to Step 40 | -- |
34 | Replace the Starter relay. Did you complete the replacement? | Go to Step 40 | -- |
35 |
IMPORTANT:: Perform the set up procedures for the PCM. Refer to Powertrain Control Module Programming in Engine Controls - 3.5L. Replace the PCM. Refer to Powertrain Control Module Replacement in Engine Controls - 3.5L. Did you complete the replacement? | Go to Step 40 | -- |
36 | Replace the IPC. Refer to Instrument Cluster Replacement in Instrument Panel, Gages, and Console. Did you complete the replacement? | Go to Step 40 | -- |
37 |
IMPORTANT:: Perform the set up procedures for the BCM. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System. Replace the BCM. Refer to Body Control Module Replacement in Body Control System. Did you complete the replacement? | Go to Step 40 | -- |
38 | Replace the Ignition Switch. Refer to Ignition Switch Lock Cylinder Replacement in Instrument Panel, Gages, and Console. Did you complete the replacement? | Go to Step 40 | -- |
39 | Replace the Starter Motor. Refer to Starter Motor Replacement . Did you complete the replacement? | Go to Step 40 | -- |
40 | Operate the system for which the symptom occurred. Did you correct the condition? | System OK | Go to Step 2 |