SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSTOYOTA1997TERCEL 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEMCOMPONENT TESTSSTOPLIGHT SWITCH (1997)
1997 Toyota Tercel 4D Sedan, Automatic

Stoplight Switch (1997)

1997 Toyota Tercel 4D Sedan, AutomaticSECTION Stoplight Switch (1997)
NOTE: For 1998 Tercel, see DTC 49: STOPLIGHT SWITCH (1998 TERCEL) under DIAGNOSTIC TESTS .
  1. Depress brake pedal. Check stoplight operation. If stoplight bulbs illuminate, go to next step. Replace stoplight bulb or repair wiring as necessary.
  2. Remove ABS ECU with connectors still connected. Depress brake pedal. Check voltage by backprobing Green/White wire at ECU connector A12 terminal No. 12 (Tercel) or connector A15 terminal No. 12 (Paseo). If voltage is not 10-14 volts, go to next step.
  3. Check for open in Green/White wire between stoplight switch terminal No. 1 and ECU connector A12 terminal No. 12 (Tercel) or connector A15 terminal No. 12 (Paseo). See WIRING DIAGRAMS . Repair wiring if necessary. If no problems are found, perform appropriate ECU pin voltage test under PIN VOLTAGE .
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.