Starting System - Single Battery System: Notes
IF THE BATTERY SHOWS SIGNS OF FREEZING, LEAKING OR LOOSE POSTS, DO NOT TEST, ASSIST-BOOST, OR CHARGE. THE BATTERY MAY ARC INTERNALLY AND EXPLODE. PERSONAL INJURY OR VEHICLE DAMAGE MAY RESULT.
EXPLOSIVE HYDROGEN GAS FORMS IN AND AROUND THE BATTERY. DO NOT SMOKE, USE FLAME, OR CREATE SPARKS NEAR THE BATTERY. PERSONAL INJURY OR VEHICLE DAMAGE MAY RESULT.
THE BATTERY CONTAINS SULFURIC ACID, WHICH IS POISONOUS AND CAUSTIC. AVOID CONTACT WITH THE SKIN, EYES, OR CLOTHING. IN THE EVENT OF CONTACT, FLUSH WITH WATER AND CALL A PHYSICIAN IMMEDIATELY. KEEP OUT OF THE REACH OF CHILDREN.
DIAGNOSIS AND TESTING - BATTERY SYSTEM: The battery, starting, and charging systems are inter-related and should be tested as a complete system. In order for the engine to start and the battery to maintain its proper charge, all of the components that are used in these systems must perform within specifications. If the PCM has a Diagnostic Trouble Code (DTC) stored against any of these systems, the DTC(s) should be diagnosed using the DTC diagnostic test procedure. The battery should be tested and verified of proper operation before diagnosing any starting system issues.
- Verify the battery system is operating properly and perform the DIAGNOSIS AND TESTING - BATTERY procedure. Refer to BATTERY SYSTEM, DIAGNOSIS AND TESTING .
- If the battery, starting and charging systems test good, but the battery discharges after sitting for a short period, check the electrical system for an ignition off draw. And perform the IGNITION OFF DRAW TEST procedure. Refer to IGNITION OFF DRAW TEST .
- If the vehicle has a no crank condition while the battery and electrical system is functioning properly, check the starting system operation.
FOR A NO CRANK CONDITION CONTINUE TO THE APPROPRIATE NO CRANK DIAGNOSTIC SERVICE INFORMATION BELOW: