Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
A/T Model
Power is supplied at all times:
- through 40A fusible link (letter c , located in the fuse and fusible link box)
- to ignition switch terminal B.
With the ignition switch in the START position, power is supplied:
- from ignition switch terminal St
- to park/neutral position relay terminal 5 (without ASCD) or terminal 6 (with ASCD)
With the ignition switch in the ON or START position, power is supplied:
- through 10A fuse [No. 20, located in the fuse block (J/B)]
- to park/neutral position relay terminal 1.
Ground is supplied, with the selector lever in the P or N position:
- to park/neutral position relay terminal 2
- through park/neutral position switch.
The park/neutral position relay is energized and power is supplied:
- from ignition switch terminal St
- through park/neutral position relay terminals 5 and 3 (without ASCD) or terminals 6 and 7 (with ASCD)
- to terminal S of the starter motor windings.
The starter motor plunger closes and provides a closed circuit between the battery and the starter motor. The starter motor is grounded to the cylinder block. With power and ground supplied, the starter motor operates.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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