Entering Diagnostic Mode Without Super Monitor Display
WARNING: This page is about a different car, the 1987 Toyota Supra. However, it is still accessible from the selected car via links, so may be relevant.
- Ensure battery voltage is above 11 volts, throttle valve is fully closed, transmission in "P" or "N" position, all accessory off, and engine is at normal operating temperature.
- Turn ignition switch to ON position, but DO NOT start engine. Using a jumper wire, short terminals "T" - "E1" of engine check connector.
- Read code(s) as indicated by number of flashes of CHECK ENGINE warning light. See TROUBLE CODE IDENTIFICATION table.
- The CHECK ENGINE warning light will blink a number of times equal to the malfunction code indication with a 2.5 second delay between each indication. The diagnostic code series will be repeated as long as engine check connector terminals "T" - "E1" are shorted.