Schematic Reference: Starting and Charging Schematics

Connector End View Reference: Engine Electrical Connector End Views

Did you perform the Diagnostic System Check - Vehicle?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

Turn the ignition switch to the START position.

Does the starter solenoid click?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

Is the security indicator flashing?

Go to Diagnostic Starting Point - Theft Deterrent in Theft Deterrent

Go to Step 4

1. Exchange the START relay with a known good relay (the blower relay) from the underhood fuse block.
2. Turn the ignition switch to the START position.

Does the engine crank?

Go to Step 14

Go to Step 5

Test the START relay supply voltage circuits 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 23

Go to Step 6

Test the battery positive voltage circuit of the starter motor 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 23

Go to Step 7

1. Connect a test lamp between the starter solenoid crank voltage circuit, at the starter solenoid, and ground.
2. Turn the ignition to the START position.

Does the test lamp illuminate?

Go to Step 13

Go to Step 8

Test the starter solenoid crank voltage circuit 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 23

Go to Step 9

1. Connect a test lamp between the ignition switch START position and ground.
2. Turn the ignition switch to the START position.

Does the test lamp illuminate?

Go to Step 10

Go to Step 15

Test the START relay coil control circuit 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 23

Go to Step 11

Test the appropriate switch:

1. Test the PNP switch for continuity in the PARK position. Refer to Testing for Continuity in Wiring Systems.
2. Test the CPP switch for continuity with the clutch pedal depressed. Refer to Testing for Continuity in Wiring Systems.

Did the switch test OK?

Go to Step 12

Go to Step 16

Test the appropriate switch:

1. Test the PNP switch circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
2. Test the CPP switch 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 23

Go to Step 17

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 23

Go to Step 18

Inspect for poor connections at the start 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 23

Go to Step 19

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 23

Go to Step 20

Inspect for poor connections at the PNP switch harness connector or the CPP 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 23

Go to Step 21

Inspect for poor connections at the engine control module (ECM) 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 23

Go to Step 22

Replace the starter. Refer to Starter Motor Replacement .

Did you complete the replacement?

Go to Step 23

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Replace the start relay. Refer to Relay Replacement in Wiring Systems.

Did you complete the replacement?

Go to Step 23

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Replace the ignition switch. Refer to Ignition and Start Switch Replacement in Steering Wheel and Column.

Did you complete the replacement?

Go to Step 23

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Replace the appropriate switch. Refer to:

Did you complete the replacement?

Go to Step 23

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Important: The replacement ECM must be programmed.

Replace the ECM . Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.

Did you complete the replacement?

Go to Step 23

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Operate the system for which the symptom occurred.

Did you correct the condition?

System OK

Go to Step 2