Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.

INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)
1. Check that the sliding roof drive gear can be initialized (see INITIALIZATION ).
  OK: Sliding roof drive gear can be initialized.
NG: GO TO STEP 3

OK: Go to Next Step

CHECK FOR DTC

Clear the DTCs (see DTC CHECK/CLEAR ).

Check for DTCs (see DTC CHECK/CLEAR ).

Result

B2343 POSITION INITIALIZATION INCOMPLETE RESULT CHART

Result	Proceed to
No DTC is output	A
DTC B2343 is output	B

B: REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) (see DISASSEMBLY )

A: END

CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - ROOF CONSOLE BOX)

Disconnect the W3 ECU connector.

Fig 1: Identifying W3 ECU Connector And W7 Roof Console Box Connector

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Disconnect the W7 roof console box connector.

Measure the resistance according to the value(s) in the table below.

Standard resistance

HARNESS AND CONNECTOR (SLIDING ROOF ECU - ROOF CONSOLE BOX) RESISTANCE SPECIFICATION

Tester Connection	Condition	Specified Condition
W3-1 (UP) - W7-6 (UP)	Always	Below 1 Ω
W3-2 (DWN) - W7-5 (DWN)	Always	Below 1 Ω
W3-6(OPN) - W7-4 (OPN)	Always	Below 1 Ω
W3-7 (CLS) - W7-3 (CLS)	Always	Below 1 Ω
W7-6 (UP) - Body ground	Always	10 kΩ or higher
W7-5 (DWN) - Body ground	Always	10 kΩ or higher
W7-3 (CLS) - Body ground	Always	10 kΩ or higher
W7-4 (OPN) - Body ground	Always	10 kΩ or higher
W7-7 (E) - Body ground	Always	Below 1 Ω

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR

OK: Go to Next Step

INSPECT SLIDING ROOF SWITCH

Remove the sliding roof switch (see REMOVAL ).

Measure the resistance according to the value(s) in the table below.

Standard resistance

SLIDING ROOF SWITCH RESISTANCE SPECIFICATION

Tester Connection	Switch Condition	Specified Condition
1(UP) - 5(E)	TILT switch is pressed to up	Below 1 Ω
1(UP) - 5(E)	TILT switch is not pressed to up	10 kΩ or higher
2 (DWN) - 5 (E)	TILT switch is pressed to down	Below 1 Ω
2 (DWN) - 5 (E)	TILT switch is not pressed to down	10 kΩ or higher
4 (OPN) - 5 (E)	SLIDE switch is pressed to open	Below 1 Ω
4 (OPN) - 5 (E)	SLIDE switch is not pressed to open	10 kΩ or higher
3 (CLS) - 5 (E)	SLIDE switch is pressed to close	Below 1 Ω
3 (CLS) - 5 (E)	SLIDE switch is not pressed to close	10 kΩ or higher

Fig 2: Identifying Sliding Roof Switch Connector Terminals

NG: REPLACE SLIDING ROOF SWITCH (see REMOVAL )

OK: Go to Next Step

INSPECT ROOF CONSOLE BOX ASSEMBLY

Remove the roof console box with sliding roof switch (see REMOVAL ).

Measure the resistance according to the value(s) in the table below.

Standard resistance

ROOF CONSOLE BOX ASSEMBLY VOLTAGE SPECIFICATION

Tester Connection	Switch Condition	Specified Condition
6(UP) - 7 (E)	TILT switch is pressed to up	Below 1 Ω
6(UP) - 7 (E)	TILT switch is not pressed to up	10 kΩ or higher
5 (DWN) - 7 (E)	TILT switch is pressed to down	Below 1 Ω
5 (DWN) - 7 (E)	TILT switch is not pressed to down	10 kΩ or higher
4 (OPN) - 7 (E)	SLIDE switch is pressed to open	Below 1 Ω
4 (OPN) - 7 (E)	SLIDE switch is not pressed to open	10 kΩ or higher
3 (CLS) - 7 (E)	SLIDE switch is pressed to close	Below 1 Ω
3 (CLS) - 7 (E)	SLIDE switch is not pressed to close	10 kΩ or higher

Fig 3: Identifying Roof Console Box Assembly Connector Terminals

NG: REPLACE ROOF CONSOLE BOX ASSEMBLY (See REMOVAL )

OK: REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (see DISASSEMBLY )