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Shift Lock System Testing: MPV

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 1994 Mazda MX-5 Miata, 1992 Mazda MX-5 Miata, 1992 Mazda MPV, 1992 Mazda B2200, and 1991 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove steering column covers. Turn ignition on. Measure voltage between Orange wire and ground. See Fig 1 . With gear selector in Park and brake pedal depressed, battery voltage should be present. If voltage is present, go to next step. If no voltage is present, check shift-lock solenoid and related circuits.
  2. Release brake pedal. Voltage should be less than 1.5 volts. With gear selector in any other gear position, voltage should be less than 1.5 volts. If voltage is not as described, check inhibitor/park neutral switch, brake light circuit or PCMT.
Fig 1: Testing MPV Shift Lock Switch
G93J23159Courtesy of MAZDA MOTORS CORP.
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