This DTC is stored when the sliding roof ECU (sliding roof drive gear assembly [sliding roof]) detects that the map light sub-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 assembly [sliding roof]) detects map light sub-assembly is stuck for 30 seconds or more. | ·
Sliding roof ECU (sliding roof drive gear assembly [sliding roof]) ·
Map light sub-assembly ·
Harness or connector |
If the sliding roof ECU (sliding roof drive gear assembly [sliding roof]) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear assembly [sliding roof]) must be initialized.
The panoramic moon roof system uses the CAN and LIN communication systems. First, confirm that there are no malfunctions in the CAN and LIN communication systems. Refer to How to Proceed with Troubleshooting.
DTC B2342 is stored in the sliding roof ECU (sliding roof drive gear assembly [sliding roof]).
Read the Data List according to the display on the GTS.
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| Current Roof Open Switch Stuck ON | Sliding roof glass open switch stuck signal (Current) | OFF or ON | OFF: No sliding roof switch stuck signal (Current)
ON: Sliding roof switch stuck signal (Current) |
- |
| Current Roof Close Switch Stuck ON | Sliding roof glass close switch stuck signal (Current) | OFF or ON | OFF: No sliding roof switch stuck signal (Current)
ON: Sliding roof switch stuck signal (Current) |
- |
| Past Roof Open Switch Stuck ON | Sliding roof glass open switch stuck signal (Past) | OFF or ON | OFF: No sliding roof switch stuck signal (Past)
ON: Sliding roof switch stuck signal (Past) |
- |
| Past Roof Close Switch Stuck ON | Sliding roof glass close switch stuck signal (Past) | OFF or ON | OFF: No sliding roof switch stuck signal (Past)
ON: Sliding roof switch stuck signal (Past) |
- |
| Current Vent Switch Stuck ON | Sliding roof glass tilt switch stuck signal (Current) | OFF or ON | OFF: No sliding roof switch stuck signal (Current)
ON: Sliding roof switch stuck signal (Current) |
- |
| Past Vent Switch Stuck ON | Sliding roof glass tilt switch stuck signal (Past) | OFF or ON | OFF: No sliding roof switch stuck signal (Past)
ON: Sliding roof switch stuck signal (Past) |
- |
| Tester Display |
|---|
| Current Roof Open Switch Stuck ON |
| Current Roof Close Switch Stuck ON |
| Past Roof Open Switch Stuck ON |
| Past Roof Close Switch Stuck ON |
| Current Vent Switch Stuck ON |
| Past Vent Switch Stuck ON |
OFF appears on the GTS screen.
| Result | Proceed to |
|---|---|
| All items are displayed "OFF" | A |
| In part or in whole item displayed "ON" | B |
A
B
Remove the map light sub-assembly.
Inspect the map light sub-assembly.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the P4 sliding roof ECU (sliding roof drive gear assembly [sliding roof]) connector.
Disconnect the P24 map light sub-assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| P4-4 (TILT) or P24-21 (B) - Body ground | Always | 10 kΩ or higher |
| P4-5 (UP) or P24-20 (UP) - Body ground | Always | 10 kΩ or higher |
| P4-8 (CLS) or P24-17 (CLS) - Body ground | Always | 10 kΩ or higher |
| P4-9 (DWN) or P24-19 (DOWN) - Body ground | Always | 10 kΩ or higher |
| P4-10 (OPN) or P24-18 (OPN) - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG