Starter Solenoid Clicks, Engine Does Not Crank

Starter Solenoid Clicks, Engine Does Not Crank

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (Diagnostic System Check - Vehicle) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (Strategy Based Diagnosis) for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions (Diagnostic Procedure Instructions) provides an overview of each diagnostic category.

Reference Information
Schematic Reference

Starting and Charging Schematics (Electrical Diagrams)
Connector End View Reference

Component Connector End Views (Connector Views)
Description and Operation

Starting System Description and Operation (Description and Operation)
Electrical Information Reference

* Circuit Testing (Circuit Testing)
* Connector Repairs (Connector Repairs)
* Testing for Intermittent Conditions and Poor Connections (Testing For Intermittent Conditions and Poor Connections)
* Wiring Repairs (Wiring Repairs)

Scan Tool Reference

Control Module References (Programming and Relearning) for scan tool information

Circuit/System Verification

1. Verify that battery is sufficiently charged and that the battery cables are clean and tight.

• If battery not sufficiently charged, refer to Battery Charging (Procedures).

• If battery cables are not within specified range, refer to Fastener Tightening Specifications (Specifications).

2. Place the ignition mode switch to START the position. The starter solenoid should click.

• If starter solenoid does not click, refer to Starter Solenoid Does Not Click (Starter Solenoid Does Not Click).

3. Remove the drive belt, refer to Drive Belt Replacement - Accessory (LS9) (Drive Belt Replacement - Accessory) Drive Belt Replacement - Accessory (w/o LS9) (Drive Belt Replacement - Accessory).
4. Place the ignition mode switch to the START position.

• If the engine cranks, inspect the engine and belt drive system for mechanical binding, seized engine, or seized generator, etc.

• If the engine does not crank, refer to Engine Will Not Crank - Crankshaft Will Not Rotate (Engine Will Not Crank - Crankshaft Will Not Rotate).

5. Test for less than 0.5 volts between the positive battery cable and terminal B at the solenoid as the ignition is placed to the START position.

• If greater than the specified value, replace the positive battery cable.

6. Test for less than 0.5 volts between the negative battery cable and the starter motor case as the ignition is placed to the START position.

• If greater than the specified value, replace the negative battery cable.

7. If all circuits test normal, replace the starter motor.

Repair Instructions

Perform the Diagnostic Repair Verification (Verification Tests) after completing the diagnostic procedure.

* Battery Positive and Negative Cable Replacement (LS3) (Battery Positive and Negative Cable Replacement) Battery Positive and Negative Cable Replacement (LS7,LS9 or LS3 with Z52) (Battery Positive and Negative Cable Replacement (with Z52))
* Starter Replacement (Service and Repair)