FixVault

Tilt Motor Circuit

  1. Disconnect 18-pin tilt and power telescopic unit (combination switch) connector. Connect battery positive lead to tilt and power telescopic unit (combination switch) connector terminal No. 10 (Red/Blue wire) and battery negative lead to unit connector terminal No. 1 (Red/Black wire). See Fig 1. Tilt motor should move column downward. Connect battery positive lead to unit connector terminal No. 1 (Red/Black wire) and battery negative lead to unit connector terminal No. 10 (Red/Blue wire) (reverse polarity). Tilt motor should move column upward. If tilt motor operates as specified, go to next step. If tilt motor does not operate as specified, replace tilt steering gear assembly with motor and retest system operation.
  2. Check wiring harness and connectors between tilt and telescopic ECU and tilt motor. See WIRING DIAGRAMS . Repair or replace as necessary. If wiring harness and connectors are okay, go to next test listed in SYMPTOM DIAGNOSIS  table under TROUBLE SHOOTING.
Fig 1: Identifying Tilt & Power Telescopic Unit (Combination Switch) Terminals
G98D03415Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002