Celica (1993) & Paseo
- Determine if speedometer is operating properly. Inspect and repair speedometer drive gear, cable and combination meter as needed.
- Turn ignition off. Access ECT ECU harness connector. See Figure-Figure
. Lift and support front wheels of vehicle. Backprobing ECT ECU harness connector with DVOM. Check voltage between SPD terminal and vehicle ground while turning front wheel.
- If voltage pulses as wheel is turned, replace ECT ECU and retest. If pulse is not present, turn ignition off. Remove combination meter. Connect ohmmeter to test terminals and rotate meter shaft. See Fig 1. If ohmmeter pulses, inspect and repair circuits between combination meter and ECT ECU. See appropriate wiring diagram in WIRING DIAGRAMS . If ohmmeter does not pulse, replace combination meter and retest.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002