Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM1000000025B6B |
Model Year Start: 2023 |
Model: GR Corolla |
Prod Date Range: [09/2022 - 11/2022] |
Title: SLIDING ROOF / CONVERTIBLE: SLIDING ROOF SYSTEM (except TMC Made): B2342; Switch Failure; 2023 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - 11/2022] |
DESCRIPTION
This DTC is stored when the sliding roof ECU (sliding roof drive gear sub-assembly) detects that the sliding roof switch (map light assembly) is stuck for 30 seconds or more.
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
B2342
|
Switch Failure
|
Sliding roof ECU (sliding roof drive gear sub-assembly) detects sliding roof switch (map light assembly) is stuck for 30 seconds or more
|
-
Sliding roof ECU (Sliding roof drive gear sub-assembly)
-
Sliding roof switch (Map light assembly)
-
Wire harness or connector
|
WIRING DIAGRAM
Refer to DTC B2341.
Click here
CAUTION / NOTICE / HINT
NOTICE:
If the sliding roof ECU (sliding roof drive gear sub-assembly) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear sub-assembly) must be initialized.
Click here
PROCEDURE
1.
|
READ VALUE USING TECHSTREAM
|
(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) Read the Data List according to the display on the Techstream.
Body Electrical > Sliding Roof > Data List
Tester Display
|
Measurement Item
|
Range
|
Normal Condition
|
Diagnostic Note
|
Open Switch Failure(Past)
|
Open switch failure signal (Past)
|
OFF or ON
|
OFF: No sliding roof open switch failure signal (Past)
ON: Sliding roof open switch failure signal (Past)
|
-
|
Close Switch Failure(Past)
|
Close switch failure signal (Past)
|
OFF or ON
|
OFF: No sliding roof close switch failure signal (Past)
ON: Sliding roof close switch failure signal (Past)
|
-
|
Up Switch Failure(Past)
|
Up switch failure signal (Past)
|
OFF or ON
|
OFF: No sliding roof tilt up switch failure signal (Past)
ON: Sliding roof tilt up switch failure signal (Past)
|
-
|
Down Switch Failure(Past)
|
Down switch failure signal (Past)
|
OFF or ON
|
OFF: No sliding roof tilt down switch failure signal (Past)
ON: Sliding roof tilt down switch failure signal (Past)
|
-
|
Open Switch Failure(Current)
|
Open switch failure signal (Current)
|
OFF or ON
|
OFF: No sliding roof open switch failure signal (Current)
ON: Sliding roof open switch failure signal (Current)
|
-
|
Close Switch Failure(Current)
|
Close switch failure signal (Current)
|
OFF or ON
|
OFF: No sliding roof close switch failure signal (Current)
ON: Sliding roof close switch failure signal (Current)
|
-
|
Up Switch Failure(Current)
|
Up switch failure signal (Current)
|
OFF or ON
|
OFF: No sliding roof tilt up switch failure signal (Current)
ON: Sliding roof tilt up switch failure signal (Current)
|
-
|
Down Switch Failure(Current)
|
Down switch failure signal (Current)
|
OFF or ON
|
OFF: No sliding roof tilt down switch failure signal (Current)
ON: Sliding roof tilt down switch failure signal (Current)
|
-
|
Body Electrical > Sliding Roof > Data List
Tester Display
|
Open Switch Failure(Past)
|
Close Switch Failure(Past)
|
Up Switch Failure(Past)
|
Down Switch Failure(Past)
|
Open Switch Failure(Current)
|
Close Switch Failure(Current)
|
Up Switch Failure(Current)
|
Down Switch Failure(Current)
|
OK:
OFF is displayed for each Data List item.
NG
|
|
|
2.
|
CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) - BODY GROUND)
|
(a) Disconnect the T12 sliding roof ECU (sliding roof drive gear sub-assembly) connector.
(b) Disconnect the T6 sliding roof switch (map light assembly) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
T12-10 (OPN) or T6-14 (OPN) - Body ground
|
Always
|
10 kΩ or higher
|
T12-8 (CLS) or T6-13 (CLS) - Body ground
|
Always
|
10 kΩ or higher
|
T12-5 (UP) or T6-16 (UP) - Body ground
|
Always
|
10 kΩ or higher
|
T12-9 (DWN) or T6-15 (DOWN) - Body ground
|
Always
|
10 kΩ or higher
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
3.
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INSPECT SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY)
|
(a) Remove the sliding roof switch (map light assembly).
Click here
(b) Inspect the sliding roof switch (map light assembly).
Click here
|