Last Modified: 11-29-2007 1.6 C
Service Category: Vehicle Exterior Section: Sliding Roof/Convertible
Model Year: 2008 Model: Sequoia Doc ID: RM0000029GH019X
Title: SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM: DESCRIPTION (2008 Sequoia)

DTC

B2342

Switch Failure

DESCRIPTION

This DTC is stored when the sliding roof drive gear (sliding roof ECU) detects that the SLIDE or TILT switch in the roof console box (sliding roof switch) is stuck for 30 seconds or more.

DTC Code

DTC Detection Condition

Trouble Area

B2342

Sliding roof drive gear (sliding roof ECU) detects that SLIDE or TILT switch in roof console box is stuck for 30 seconds or more.

  • Sliding roof switch
  • Roof console box
  • Harness and connector
  • Sliding roof drive gear (Sliding roof ECU)

WIRING DIAGRAM



INSPECTION PROCEDURE

PROCEDURE

1.

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

DTC B2342 is output

A

No DTC is output

B

A

2.

READ VALUE USING TECHSTREAM (SWITCH STATUS)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream ON.

(d) Enter the following menus: Body Electrical / Sliding Roof / Data List.

(e) According to the display on the Techstream, read the Data List.

Sliding Roof

Tester Display

Measurement Item/Range

Normal Condition

Diagnostic Note

Open Switch Failure (Past)

Open switch failure signal (Past)/Fail or Not Fail

Fail: Sliding roof tilt open signal failure (Past)

Not Fail: Sliding roof tilt open signal not fail (Past)

-

Close Switch Failure (Past)

Close switch failure signal (Past)/Fail or Not Fail

Fail: Sliding roof tilt close signal failure (Past)

Not Fail: Sliding roof tilt close signal not fail (Past)

-

Up Switch Failure (Past)

Up switch failure signal (Past)/Fail or Not Fail

Fail: Sliding roof tilt up signal failure (Past)

Not Fail: Sliding roof tilt up signal not fail (Past)

-

Down Switch Failure (Past)

Down switch failure signal (Past)/Fail or Not Fail

Fail: Sliding roof tilt down signal failure (Past)

Not Fail: Sliding roof tilt down signal not fail (Past)

-

Open Switch Failure (Current)

Open switch failure signal (Current)/Fail or Not Fail

Fail: Sliding roof tilt open signal failure (Current)

Not Fail: Sliding roof tilt open signal not fail (Current)

-

Close Switch Failure (Current)

Close switch failure signal (Current)/Fail or Not Fail

Fail: Sliding roof tilt close signal failure (Current)

Not Fail: Sliding roof tilt close signal not fail (Current)

-

Up Switch Failure (Current)

Up switch failure signal (Current)/Fail or Not Fail

Fail: Sliding roof tilt up signal failure (Current)

Not Fail: Sliding roof tilt up signal not fail (Current)

-

Down Switch Failure (Current)

Down switch failure signal (Current)/Fail or Not Fail

Fail: Sliding roof tilt down signal failure (Current)

Not Fail: Sliding roof tilt down signal not fail (Current)

-

OK:

The Techstream displays as shown in the table according to the operation of each switch.

OK

3.

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

4.

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

5.

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