Dtc B2343 Position Initialization Incomplete


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY

CHECK FOR DTC

INSPECT MAP LIGHT ASSEMBLY

CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - SLIDING ROOF SWITCH, BATTERY AND BODY GROUND)

DTC B2343 Position Initialization Incomplete


DESCRIPTION

This DTC is stored when the sliding roof drive gear sub-assembly has not been initialized.

DTC Code
DTC Detection Condition
Trouble Area
B2343
The sliding roof drive gear sub-assembly has not been initialized.
  1. Sliding roof drive gear sub-assembly (Sliding roof ECU)
  2. Map light assembly (Sliding roof switch)
  3. Harness or connector

WIRING DIAGRAM


Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Sliding Roof Convertible.Sliding Roof System.
Dtc
  B2343  Position Initialization Incomplete


INSPECTION PROCEDURE

NOTICE:
When the sliding roof drive gear sub-assembly is removed and reinstalled or replaced, the sliding roof drive gear sub-assembly must be initialized (LandCruiser RM000001VJR08IX.html).
1.INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY
  1. Check that the sliding roof drive gear sub-assembly can be initialized (LandCruiser RM000001VJR08IX.html).

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


NG
Go to step 3
OK


2.CHECK FOR DTC
  1. Clear the DTCs (LandCruiser RM000001YIS044X.html).

  1. Check for DTCs (LandCruiser RM000001YIS044X.html).

    Result
    Result
    Proceed to
    DTC B2343 is not output
    A
    DTC B2343 is output
    B


B
REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (LandCruiser RM000002LPC02UX.html)
A

END

3.INSPECT MAP LIGHT ASSEMBLY
Land Cruiser, Land Cruiser Prado. Grj150 Trj150,155 Kdj150,155 Lj150, Gdj150,155.Sliding Roof Convertible.Sliding Roof System.
Dtc
  B2343  Position Initialization Incomplete
  1. Remove the map light assembly (LandCruiser RM000003YO9019X.html).

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

    Standard Resistance:
    Tester Connection
    Switch Condition
    Specified Condition
    8 (IG) - 23 (IG3)
    Always
    Below 1 Ω
    24 (UP) - 5 (GND3)
    Tilt up switch pressed
    Below 1 Ω
    24 (UP) - 5 (GND3)
    Tilt up switch not pressed
    10 kΩ or higher
    25 (DOWN) - 5 (GND3)
    Tilt down switch pressed
    Below 1 Ω
    25 (DOWN) - 5 (GND3)
    Tilt down switch not pressed
    10 kΩ or higher
    27 (OPN) - 5 (GND3)
    Slide open switch pressed
    Below 1 Ω
    27 (OPN) - 5 (GND3)
    Slide open switch not pressed
    10 kΩ or higher
    28 (CLS) - 5 (GND3)
    Slide close switch pressed
    Below 1 Ω
    28 (CLS) - 5 (GND3)
    Slide close switch not pressed
    10 kΩ or higher
    Text in Illustration
    *a
    Component without harness connected
    (Map Light Assembly)


NG
REPLACE MAP LIGHT ASSEMBLY (LandCruiser RM000003YO9019X.html)
OK


4.CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - SLIDING ROOF SWITCH, BATTERY AND BODY GROUND)
  1. Disconnect the W2 ECU connector.

  1. Disconnect the W7 switch connector.

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

    Standard Resistance:
    Tester Connection
    Condition
    Specified Condition
    W2-10 (UP) - W7-24 (UP)
    Always
    Below 1 Ω
    W2-8 (DWN) - W7-25 (DOWN)
    Always
    Below 1 Ω
    W2-7 (OPN) - W7-27 (OPN)
    Always
    Below 1 Ω
    W2-9 (CLS) - W7-28 (CLS)
    Always
    Below 1 Ω
    W7-5 (GND3) - Body ground
    Always
    Below 1 Ω
    W2-2 (E) - Body ground
    Always
    Below 1 Ω
    W2-5 (IG) - W7-23 (IG3)
    Always
    Below 1 Ω
    W2-10 (UP) or W7-24 (UP) - Body ground
    Always
    10 kΩ or higher
    W2-8 (DWN) or W7-25 (DOWN) - Body ground
    Always
    10 kΩ or higher
    W2-7 (OPN) or W7-27 (OPN) - Body ground
    Always
    10 kΩ or higher
    W2-9 (CLS) or W7-28 (CLS) - Body ground
    Always
    10 kΩ or higher
    W2-5 (IG) or W7-23 (IG3) - Body ground
    Always
    10 kΩ or higher
    Standard Voltage:
    Tester Connection
    Switch Condition
    Specified Condition
    W7-8 (IG) - Body ground
    Ignition switch off
    Below 1 V
    W7-8 (IG) - Body ground
    Ignition switch ON
    11 to 14 V


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (LandCruiser RM000002LPC02UX.html)