LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 1987 >> Pickup Base, 2D Pickup, 22-RTE, G52 >> Repair and Diagnosis >> Engine Performance >> System >> TCCS System >> Diagnosis & Testing >> Diagnostic Code Output >> Entering Diagnostic Mode With Super Monitor Display
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Entering Diagnostic Mode With Super Monitor Display

  1. Prior to entering diagnostic mode, ensure that engine is at normal operating temperature, battery voltage above 11 volts, transmission in "P" or Neutral, throttle valve fully closed and A/C off.
  2. Turn ignition switch to the "ON" position, but DO NOT  start engine. Simultaneously push and hold in "SELECT" key and "INPUT M" key for at least 3 seconds. See Fig 1. The letters "DIAG" will appear on screen.
  3. After a short pause, hold in "SET" key for at least 3 seconds. If system is normal, "ENG -OK" will appear on screen. If there is a malfunction, the code number for the malfunction will appear on the screen. In the event of 2 or more numbers, there will be a 3 seconds pause between each number.
Fig 1: Super Monitor Display
G61964Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002