Back Power Window System (Double Cab): Inspection

INSPECT BACK POWER WINDOW SWITCH CONTINUITY

SWITCH POSITION AND TESTER CONNECTION SPECIFICATION (1 OF 4)

Switch Position	Tester Connection	Specified Condition
UP	1 - 3, 2 - 6	Continuity
OFF	2 - 3, 2 - 6	No continuity
DOWN	1 - 6, 2 - 3	Continuity

If the continuity is not as specified, replace the switch.

Fig 1: Inspecting Back Power Window Switch

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

CHECK BACK WINDOW CONTROL RELAY CIRCUIT
1. Disconnect the connector from the relay, and check the connector on the wire harness side, as shown in the table below.
  
  Fig 2: Checking Back Window Control Relay Circuit
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Fig 3: Tester Connection Condition Table
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  If the result is not as specified, there may be a malfunction on the wire harness side or limit switch.
2. Reconnect the connector to the relay, and check the connector on the wire harness side, as shown in the table below.
Fig 4: Tester Connection Condition Table
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, replace the relay.
CHECK BACK POWER WINDOW MOTOR PTC THERMISTOR OPERATION
1. Disconnect the connector from the window motor.
2. Connect the positive (+) lead from the ammeter to terminal 1 of the wire harness side connector and the negative (-) lead to the negative terminal of the battery.
3. Connect the positive (+) lead from the battery to terminal 2 of the wire harness side connector, and slide the window to the fully closed position.
  
  Fig 5: Checking Back Power Window Motor PTC Thermistor Operation
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Continue to apply voltage and check that the current changes to less than 1 A in 4 to 90 seconds.
5. Disconnect the leads from the terminals.
6. Approximately 60 seconds later, connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, and check that the window begins to moves down.
If operation is not as specified, replace the power back window regulator and motor assembly.

Fig 6: Connecting (+) Lead From Battery To Terminal 1 And (-) Lead To Terminal 2
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSPECT POWER MAIN RELAY CONTINUITY

SWITCH POSITION AND TESTER CONNECTION SPECIFICATION (2 OF 4)

Tester Connection	Specified Condition
3 - 5	No Continuity
3 - 5	Continuity (When battery voltage is applied to terminals 1 and 2)

If the continuity is not as specified, replace the relay.

Fig 7: Inspecting Power Main Relay

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSPECT BACK WINDOW RELAY CONTINUITY

SWITCH POSITION AND TESTER CONNECTION SPECIFICATION (3 OF 4)

Tester Connection	Specified Condition
3 - 5	No Continuity
3 - 5	Continuity (When battery voltage is applied to terminals 1 and 2)

If the continuity is not as specified, replace the relay.

Fig 8: Inspecting Back Window Relay

INSPECT WINDOW LIMIT SWITCH CONTINUITY

SWITCH POSITION AND TESTER CONNECTION SPECIFICATION (4 OF 4)

Switch position	Tester Connection	Specified Condition
Lever pushed	1 - 2	No continuity
Lever released	1 - 2	Continuity

If the continuity is not as specified, replace the power back window regulator and motor assembly.

Fig 9: Inspecting Window Limit Switch