Sliding Roof System - B2343

Brand:

Toyota

Model Name:

Camry ACV40 GSV40

Manual:

Repair Manual

Section:

Sliding Roof

Title:

Sliding Roof System

  1. Description

  2. Wiring diagram

  3. Inspection procedure

  4. Initialize sliding roof drive gear sub-assembly (sliding roof control ecu)

  5. Check sliding roof function

  6. Check wire harness (sliding roof drive gear - overhead junction block)

  7. Inspect roof console box assembly (sliding roof control switch)

DTC B2343 Position Initialization Incomplete


​

DESCRIPTION

This DTC is output when the sliding roof drive gear sub-assembly (sliding roof control ECU) has not been initialized.

DTC No.
DTC Detection Condition
Trouble Area
B2343
Sliding roof drive gear sub-assembly (sliding roof control ECU) has not been initialized
  1. Sliding roof drive gear sub-assembly (sliding roof control ECU)
  2. Roof console box assembly (sliding roof control switch)
  3. Wire harness

WIRING DIAGRAM

Refer to DTC B2341 (Click here).

INSPECTION PROCEDURE

1.INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF CONTROL ECU)

  1. Check that the sliding roof drive gear sub-assembly can be initialized (Click here).

    OK:
    Sliding roof drive gear sub-assembly can be initialized.


NGnext
Go to step 3
OK
next down

2.CHECK SLIDING ROOF FUNCTION

  1. Check the auto operation with the OPEN, CLOSE, UP, and DOWN switches (Click here).

    OK:
    Auto operation operates normally with OPEN, CLOSE, UP, and DOWN switches.


NGnext
REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF CONTROL ECU)
OK
next down
END

3.CHECK WIRE HARNESS (SLIDING ROOF DRIVE GEAR - OVERHEAD JUNCTION BLOCK)
  1. Disconnect the Q12 and Q6 connectors. Camry

  2. Disconnect the Q12 and Q6 connectors.

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

    Standard resistance:
    Tester Connection
    		Condition
    		Specified Condition
    Q12-2 (E) - Q6-3 (GND)
    		Always
    		Below 1 Ω
    Q12-7 (OPN) - Q6-2 (OPN)
    		Always
    		Below 1 Ω
    Q12-8 (DWN) - Q6-4 (DOWN)
    		Always
    		Below 1 Ω
    Q12-9 (CLS) - Q6-1 (CLS)
    		Always
    		Below 1 Ω
    Q12-10 (UP) - Q6-5 (UP)
    		Always
    		Below 1 Ω
    Q6-1 (CLS) - Body ground
    		Always
    		10 kΩ or higher
    Q6-2 (OPN) - Body ground
    		Always
    		10 kΩ or higher
    Q6-3 (GND) - Body ground
    		Always
    		Below 1 Ω
    Q6-4 (DOWN) - Body ground
    		Always
    		10 kΩ or higher
    Q6-5 (UP) - Body ground
    		Always
    		10 kΩ or higher


NGnext
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK
next down

4.INSPECT ROOF CONSOLE BOX ASSEMBLY (SLIDING ROOF CONTROL SWITCH)
  1. Remove the roof console box assembly. Camry

  2. Remove the roof console box assembly.

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

    Standard resistance:
    Tester Connection
    		Switch Position
    		Specified Condition
    Q6-1 (CLS) - Q6-3 (GND)
    		CLOSE
    		Below 100 Ω
    Q6-2 (OPN) - Q6-3 (GND)
    		OPEN
    		Below 100 Ω
    Q6-4 (DOWN) - Q6-3 (GND)
    		DOWN
    		Below 100 Ω
    Q6-5 (UP) - Q6-3 (GND)
    		UP
    		Below 100 Ω
    Q6-1 (CLS) - Q6-3 (GND)
    		OPEN
    		1 kΩ or higher
    Q6-2 (OPN) - Q6-3 (GND)
    		CLOSE
    		1 kΩ or higher
    Q6-4 (DOWN) - Q6-3 (GND)
    		UP
    		1 kΩ or higher
    Q6-5 (UP) - Q6-3 (GND)
    		DOWN
    		1 kΩ or higher


NGnext
REPLACE ROOF CONSOLE BOX ASSEMBLY (SLIDING ROOF CONTROL SWITCH)
OK
next down
REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF CONTROL ECU)