Last Modified: 11-29-2007 1.6 C
Service Category: Vehicle Exterior Section: Sliding Roof/Convertible
Model Year: 2008 Model: Sequoia Doc ID: RM0000029GI015X
Title: SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM: DESCRIPTION (2008 Sequoia)

DTC

B2343

Position Initialization Incomplete

DESCRIPTION

This DTC is stored when the sliding roof drive gear (sliding roof ECU) has not been initialized.

DTC Code

DTC Detection Condition

Trouble Area

B2343

Sliding roof drive gear (sliding roof ECU) has not been initialized

Sliding roof drive gear (Sliding roof ECU)

WIRING DIAGRAM



INSPECTION PROCEDURE

PROCEDURE

1.

INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)

(a) Check that the sliding roof drive gear can be initialized SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM: INITIALIZATION (2008 Sequoia) .

OK:

Sliding roof drive gear can be initialized.

OK

2.

CHECK DTC

(a) Clear the DTCs SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM: DTC CHECK / CLEAR (2008 Sequoia) .

(b) Check for DTCs SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM: DTC CHECK / CLEAR (2008 Sequoia) .

Result

Result

Proceed to

No DTC is output

A

DTC B2343 is output

B

A

3.

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


(a) Disconnect the U3 ECU connector.

(b) Disconnect the U7 roof console box connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

U7-3 (CLS) - U3-7 (CLS)

Always

Below 1 Ω

U7-3 (CLS) - Body ground

Always

10 kΩ or higher

U7-4 (OPN) - U3-6 (OPN)

Always

Below 1 Ω

U7-4 (OPN) - Body ground

Always

10 kΩ or higher

U7-5 (DOWN) - U3-2 (DWN)

Always

Below 1 Ω

U7-5 (DOWN) - Body ground

Always

10 kΩ or higher

U7-6 (UP) - U3-1 (UP)

Always

Below 1 Ω

U7-6 (UP) - Body ground

Always

10 kΩ or higher

U7-7 (E) - Body ground

Always

Below 1 Ω

OK

4.

INSPECT SLIDING ROOF SWITCH


(a) Remove the sliding roof switch SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SWITCH ASSEMBLY: REMOVAL (2008 Sequoia) .

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

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

1 (UP) - 5 (E)

TILT switch is pressed to up

Below 1 Ω

TILT switch is not pressed to up

10 kΩ or higher

2 (DWN) - 5 (E)

TILT switch is pressed to down

Below 1 Ω

TILT switch is not pressed to down

10 kΩ or higher

3 (CLS) - 5 (E)

SLIDE switch is pressed to close

Below 1 Ω

SLIDE switch is not pressed to close

10 kΩ or higher

4 (OPN) - 5 (E)

SLIDE switch is pressed to open

Below 1 Ω

SLIDE switch is not pressed to open

10 kΩ or higher

OK

5.

INSPECT ROOF CONSOLE BOX ASSEMBLY


(a) Remove the roof console box with sliding roof switch INTERIOR PANELS / TRIM: OVERHEAD CONSOLE BOX: REMOVAL (2008 Sequoia) .

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

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

3 (CLS) - 7 (E)

SLIDE switch is pressed to close

Below 1 Ω

SLIDE switch is not pressed to close

10 kΩ or higher

4 (OPN) - 7 (E)

SLIDE switch is pressed to open

Below 1 Ω

SLIDE switch is not pressed to open

10 kΩ or higher

5 (DOWN) - 7 (E)

TILT switch is pressed to down

Below 1 Ω

TILT switch is not pressed to down

10 kΩ or higher

6 (UP) - 7 (E)

TILT switch is pressed to up

Below 1 Ω

TILT switch is not pressed to up

10 kΩ or higher

OK