Starting System: Testing and Inspection
STARTING SYSTEM DIAGNOSISTROUBLESHOOTING HINTS
The starter motor does not operate at all.
WARNING: Battery posts, terminals and related accessories contain lead and lead compounds. WASH HANDS AFTER HANDLING.
- Check the starter (coil).
- Check for poor contact at the battery terminals and starter.
- Check the transmission range switch.
The starter motor doesn't stop.
- Check the starter (magnetic switch).
TROUBLESHOOTING GUIDE
The starting system troubleshooting guide is shown in the following steps.
WARNING: Battery posts, terminals and related accessories contain lead and lead compounds. WASH HANDS AFTER HANDLING.
STEP 1.
Q: Is the battery in good condition? (Refer to Chassis Electrical - Battery - On-vehicle Service - Battery Check)
YES: Go to Step 2.
NO: Charge or replace the battery.
STEP 2.
- Disconnect the starter motor S (solenoid) terminal connector.
- Using a jumper wire, apply battery voltage to the starter motor S (solenoid) terminal.
- Check the engine condition.
OK: Turns normally
Q: Does the starter motor operate normally?
YES:
- Check the ignition switch. (Refer to Chassis Electrical - Ignition Switch - Ignition Switch - Inspection)
- Check the transmission range switch. (Refer to Automatic Transmission - On-vehicle Service - Essential Service - Transmission Range Switch Continuity Check)
- Check the line between the battery and starter motor S (solenoid) terminal.
NO: Go to Step 3.
STEP 3.
- Check the cable between starter B (battery) terminal and battery positive terminal for connection and continuity.
Q: Is the starter cable in good condition?
YES: Go to Step 4.
NO: Repair or replace the cable
STEP 4.
- Check the connection and the continuity of the cable between the starter motor body and the negative battery terminal
Q: Is the ground line in good condition?
YES: Go to Step 5.
NO: Repair or replace the cable
STEP 5.
Q: Is the starter motor in good condition? (Refer to Starting System - Starter Motor Assembly - Inspection)
YES: Excessive rotational resistance of the engine.
NO: Replace the starter motor.