Power Windows do not Operate at All: Procedure

1. Remove the AM1, GAUGE, FL DOOR fuses from the instrument panel junction block.
2. Measure the resistance of the fuses.

   Standard resistance

   Below 1 Ω

NG → REPLACE FUSE 

OK: Go to next step 

Fig 1: Inspecting IGCT Relay

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Remove the IG1 relay from the instrument panel junction block.
2. Measure the resistance of the relay.

   Standard resistance

   Tester Connection	Specified Condition
   3 - 5	10 kΩ or higher
   3 - 5	Below 1 Ω (when battery voltage is applied to terminals 1 and 2)

NG → REPLACE IGNITION RELAY NO. 1 

OK: Go to next step 

Fig 2: Identifying P9 Master Switch Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the P9 master switch connector.
2. Measure the voltage and resistance of the wire harness side connector.

   Standard voltage

   Tester Connection	Condition	Specified Condition
   P9-10 (B) - Body ground	Always	11 to 14 V
   P9-20 (IG) - Body ground	Ignition switch OFF	Below 1 V
   P9-20 (IG) - Body ground	Ignition switch ON	11 to 14 V

   Standard resistance

   Tester Connection	Specified Condition
   P9-2 (GND) - Body ground	Below 1 kΩ

NG → REPAIR OR REPLACE HARNESS AND CONNECTOR 

OK → REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY