Step 3 - Inspect Input Speed Signal

2004 Toyota Celica GT, StandardSECTION Step 3 - Inspect Input Speed Signal
WARNING: This page is about a different car, the 2002 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Check it the ignition switch ON and the connector connected.

While driving the vehicle at 10 km/h, measure the voltage between connector terminals A9 and A14 of the combination meter.

Standard: Change between Hi and LO is repeated 7 time for 1 second.Β 

Fig 1: Identifying Connector A Terminals
G01895485Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.