FixVault

System Tests: Notes

WARNING: Vehicles are equipped with Supplemental Inflatable Restraint (SIR) system. Before attempting any repairs involving steering column, instrument panel or related components, see SERVICE PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM in appropriate AIR BAG RESTRAINT SYSTEMS article in ACCESSORIES & EQUIPMENT.
NOTE: The following tests assume that engine and battery are operating normally and are at normal operating temperature, battery is fully charged, there are no engine problems that would cause a no-start condition, and no DTCs are present.
NOTE: On 4.0L engines, to check or probe starter solenoid connections, intake manifold must be removed to access starter. See STARTER  under REMOVAL & INSTALLATION.
SYMPTOM INDEX

Symptom Perform Test
Starter Solenoid Does Not Click A 
Starter Solenoid Clicks, Engine Does Not Crank B 
Engine Cranks Slowly C 
Starter Noise Diagnosis D