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POWER WINDOW MAIN SWITCH INSPECTION

id091200419000

1. Measure the voltage at each terminal (other than terminals 1A and 1D).

  • If the voltage is not as specified in the Terminal Voltage Table (Reference), inspect the parts under "Inspection item(s)" and related wiring harnesses.

2. Disconnect the negative battery cable.

3. Inspect the power window main switch connector for continuity at terminal 1A and 1D.

4. If the system does not work properly even though the inspection items or related wiring harnesses do not have any malfunction, replace the power window main switch.

Terminal voltage list (Reference)

Terminal | Signal name | Connected to | Measured condition | Voltage (V)/Continuity | Inspection item(s)
--- | --- | --- | --- | --- | ---
1A | GND | Body Ground | Under any condition: inspect for continuity to ground | Continuity detected | • GND
1B | Close output | Power window motor | While door glass is opening | Below 1.0 | • Power window motor (See POWER WINDOW MOTOR INSPECTION.) • Related wiring harnesses
While door glass is closing | B+
1C | ACC | P.WIND 5A | Ignition switch is at ACC position | B+ | • Inspect P. WIND 5A fuse • Related wiring harnesses
Ignition switch is at LOCK position | Below 1.0
1D | Sensor ground | Power window motor | Under any condition: inspect for continuity to ground | Continuity detected | • Power window motor (See POWER WINDOW MOTOR INSPECTION.) • Related wiring harnesses
1E | Power supply | Power window motor | Under any condition | B+ | • Power window motor (See POWER WINDOW MOTOR INSPECTION.) • Related wiring harnesses
1F | IG1 | P. WIND 30 A fuse | Ignition switch is at ON position | B+ | • Inspect P. WIND 30 A fuse • Related wiring harnesses
Ignition switch is at LOCK position | Below 1.0
1H | Pulse 1 | Power window motor | Door glass is in motion | Alternates between 0 and B+ | • Power window motor (See POWER WINDOW MOTOR INSPECTION.) • Related wiring harnesses
Door glass is not in motion | 0 or B+
1I | Communication | Power window subswitch | - | - | -
1J | Pulse 2 | Power window motor | Door glass is in motion | Alternates between 0 and B+ | • Power window motor (See POWER WINDOW MOTOR INSPECTION.) • Related wiring harnesses
Door glass is not in motion | 0 or B+
1K | Door status | BCM | All doors are closed | B+ | • BCM • Related wiring harnesses
While door glass is closing | 1.0 or less
1L | Power-cut signal | Power window subswitch | Ignition switch at ON and power-cut switch at UNLOCK | B+ | • Power window subswitch (See POWER WINDOW SUBSWITCH INSPECTION.) • Related wiring harnesses
1M | Power supply | P. WIND 20 A fuse | Under any condition | B+ | • P. WIND 20 A fuse • Related wiring harnesses
1N | Open output | Power window motor | While door glass is opening | B+ | • Power window motor (See POWER WINDOW MOTOR INSPECTION.) • Related wiring harnesses
While door glass is closing | Below 1.0