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.
Flash Code Method (CALIFORNIA)
Enter self-diagnostics. See ENTERING SELF-DIAGNOSTICS . Malfunction code will be indicated by number of flashes emitted from LED on diagnostic connector. Upon completion of each flash code impulse readout, LED will remain on. Press push button No. 2 again for 2-4 seconds. If another malfunction exists, it will be indicated at this time by new flash code numbers. If no other malfunction is detected, CIS-E control unit switches over to on-off ratio readout. See TESTING WITH ON-OFF RATIO TESTER .
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.