DTC B2342 Switch Failure |
for Preparation Click here
DESCRIPTION
This DTC is output when the sliding roof drive gear sub-assembly (sliding roof control ECU) detects that the OPEN, CLOSE, UP, or DOWN switch in the roof console box assembly (sliding roof control switch) is stuck for 30 seconds or more.DTC No. | DTC Detection Condition | Trouble Area |
B2342 | Sliding roof drive gear sub-assembly (sliding roof control ECU) detects OPEN, CLOSE, UP, or DOWN switch in overhead junction block is stuck for 30 seconds or more |
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WIRING DIAGRAM
Refer to DTC B2341 (Click here).INSPECTION PROCEDURE
1.READ VALUE ON INTELLIGENT TESTER (SLIDE OPEN AND TILT UP SWITCH) |
Use the DATA LIST to check if the sliding roof switch is functioning properly.
- SLIDE ROOF:
Tester Display Measurement Item/Range Normal Condition Diagnostic Note Open SW
(Open Switch)Slide switch open signal/ON or OFF ON: OPEN switch is pressed.
OFF: OPEN switch is not pressed.- Close SW
(Close Switch)Slide switch close signal/ON or OFF ON: CLOSE switch is pressed.
OFF: CLOSE switch is not pressed.- Up SW
(Up Switch)Tilt switch up signal/ON or OFF ON: UP switch is pressed.
OFF: UP switch is not pressed.- Down SW
(Down Switch)Tilt switch down signal/ON or OFF ON: DOWN switch is pressed.
OFF: DOWN switch is not pressed.- - OK:
- The intelligent tester displays as shown in the table according to the operation of each switch.
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OK | |
2.CHECK SLIDING ROOF FUNCTION |
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.
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OK | |
3.DELETE DTC |
Delete the DTCs (Click here).
NEXT | ||
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4.INSPECT ROOF CONSOLE BOX ASSEMBLY (SLIDING ROOF CONTROL SWITCH) |
Remove the roof console box assembly.
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
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NG | |
5.REPLACE ROOF CONSOLE BOX ASSEMBLY (SLIDING ROOF CONTROL SWITCH) |
Temporarily replace the roof console box assembly (sliding roof control switch) with a new one or normally functioning one (Click here).
NEXT | |
6.DELETE DTC |
Delete the DTCs (Click here).
NEXT | ||
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7.INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF CONTROL ECU) |
Check that the sliding roof drive gear sub-assembly can be initialized (Click here).
- OK:
- Sliding roof drive gear sub-assembly can be initialized.
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OK | |
8.CHECK SLIDING ROOF FUNCTION |
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.
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OK | |
9.DELETE DTC |
Delete the DTCs (Click here).
NEXT | ||
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10.CHECK WIRE HARNESS (SLIDING ROOF CONTROL ECU - ROOF CONSOLE BOX ASSEMBLY) |
Disconnect the Q12 and Q6 connectors.
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
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OK | ||
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