Symptoms - Engine Electrical

Symptoms - Engine Electrical

Important: Review the system operation in order to familiarize yourself with the system functions. Refer to the following:


* Battery Description and Operation Description and Operation
* Charging System Description and Operation Description and Operation
* Starting System Description and Operation Description and Operation

Visual/Physical Inspection

* Inspect for aftermarket devices which could affect the operation of the starting, charging, or ignition systems. Refer to Checking Aftermarket Accessories Checking Aftermarket Accessories.
* Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.
* Inspect the battery for correct installation and physical damage.
* Test the condition of the battery. Terminal voltage should be 11.5-13.5 volts.
* Inspect the wiring for damage. Inspect the connections to the starter motor, the starter solenoid, the ignition switch, the battery, and all related ground points.
* If the battery, wiring, and switches are in satisfactory condition and the engine is known to be functioning properly, remove and test the starter motor.
* When the charging system is operating normally, the charge indicator lamp will come ON when the ignition switch is turned ON and will go out when the engine starts.
* Inspect the generator for loose or improper mounting and the generator drive belt for correct installation.
* Inspect the drive belt for correct installation. Refer to Power Steering Pump Drive Belt Replacement Service and Repair.

Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections Testing for Intermittent Conditions and Poor Connections.

Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

* Battery Inspection/Test Battery Inspection/Test
* Battery Charging Battery Charging
* Battery Electrical Drain/Parasitic Load Test Battery Electrical Drain/Parasitic Load Test
* Battery Common Causes of Failure Symptom Related Diagnostic Procedures
* Jump Starting in Case of Emergency Jump Starting in Case of Emergency
* Charging System Test Testing and Inspection
* Charge Indicator Always On Charge Indicator Always On
* Charge Indicator Inoperative Charge Indicator Inoperative
* Generator Noise Diagnosis Testing and Inspection
* Starter Solenoid Does Not Click Starter Solenoid Does Not Click
* Starter Solenoid Clicks, Engine Does Not Crank Starter Solenoid Clicks, Engine Does Not Crank
* Engine Cranks Slowly Engine Cranks Slowly
* Starter Motor Noise Diagnosis Starter Motor Noise Diagnosis