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.
Pip To Dis Module Check
- Connect LED test light between breakout box terminals No. 32 and No. 60. Crank engine while observing test light. If test light does not blink while engine is cranking, go to EEC-IV PROCESSOR SPOUT CIRCUIT CHECK step 3).
- If test light blinks while engine is cranking, connect test light between breakout box terminals No. 36 and No. 60. If test light does not blink while engine is cranking, go to EEC-IV PROCESSOR SPOUT CIRCUIT CHECK.
- If test light blinks while engine is cranking, connect LED test light between the following breakout box terminals:
- No. 3 (Coil 1 Drive) and No. 60 (BAT -).
- No. 18 (Coil 2 Drive) and No. 60 (BAT -).
- No. 6 (Coil 3 Drive) and No. 60 (BAT -).
If test light blinks for all 3 checks, replace coil pack.
- If test light does not blink for all 3 checks, turn ignition off. Remove diagnostic cable connector from coil pack connector. Connect LED test light between the following breakout box terminals:
- No. 3 (Coil 1 Drive) and No. 60 (BAT -).
- No. 18 (Coil 2 Drive) and No. 60 (BAT -).
- No. 6 (Coil 3 Drive) and No. 60 (BAT -).
- Turn ignition on. If test light comes on for any of the 3 checks, check electrical connectors and circuitry. Repair as necessary. If test light does not come on for any of 3 checks, replace DIS module.
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
No obligation. See pricing before you book.