DTC B256C: Lock in Side Package Tray Motor LH Circuit: Procedure

1. Remove the side package tray trim motor LH.
   Fig 1: Identifying No. 1 Package Tray Trim Hinge (Side Package Tray Trim Motor RH)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Apply battery voltage and check operation of the side package tray trim motor.

   OK

   Measurement Condition	Specified Condition
   Battery positive (+) → Terminal 2 Battery negative (-) → Terminal 1	Motor gear rotates counterclockwise
   Battery positive (+) → Terminal 1 Battery negative (-) → Terminal 2	Motor gear rotates clockwise

3. Connect an electrical tester DC 400 A probe to the wire harness of the motor.
   NOTE:

   Match the arrow mark of the probe with the direction of the current flow.

4. Measure the current according to the value(s) in the table below.
   NOTE:

   Make sure to perform the inspection after the motor cools down sufficiently. Otherwise the result may not meet the specified condition due to protection circuit operation in the motor.

   Standard Current

   Measurement Condition	Specified Condition
   Battery positive (+) → Terminal 2 Battery negative (-) → Terminal 1	Below 0.4 A

   TEXT IN ILLUSTRATION
   
   

   *1	Component without harness connected (Side Package Tray Trim Motor LH)
   *2	Motor Gear
   *3	Clockwise
   *4	Counterclockwise

NG → REPLACE NO. 2 PACKAGE TRAY TRIM HINGE (SIDE PACKAGE TRAY TRIM MOTOR LH) 

OK: Go to next step 

1. Disconnect the h8 and Q35 connectors.
   Fig 2: Identifying H8 & Q35 Connectors

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   Q35-5 (SML+) - Q35-6 (SML-)	Always	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *1	Front view of wire harness connector (to Sliding Roof Control ECU Assembly)

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the h8 and A connector.
   Fig 3: Identifying H8 & A Connector

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   h8-5 (SML+) - A-2	Always	Below 1 Ω
   h8-4 (SML-) - A-1	Always	Below 1 Ω
   h8-5 (SML+) - h8-4 (SML-)	Always	10 kΩ or higher

   TEXT IN ILLUSTRATION
   
   

   *1	Component without harness connected (No. 2 Package Tray Trim Hinge)

NG → REPLACE NO. 2 PACKAGE TRAY TRIM HINGE (HARNESS OR CONNECTOR) 

OK → REPLACE SLIDING ROOF CONTROL ECU ASSEMBLY