Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - TIRE PRESSURE MONITORING
CHECK CAN COMMUNICATION SYSTEM
CHECK VEHICLE SPEED SIGNAL (DATA LIST)
CHECK TEST MODE DTC (C2191/91)
DTC C2191/91 Vehicle Speed Signal Error (Test Mode DTC)
DESCRIPTION
The tire pressure warning ECU and receiver receives speed signals from the combination meter assembly via CAN communication. This DTC is stored upon entering test mode (signal check mode), and cleared when a vehicle speed signal of 20 km/h (12 mph) is detected for 3 seconds or more. This DTC is output only in test mode (signal check mode).
DTC No. | DTC Detection Condition | Trouble Area |
C2191/91 | Speed sensor circuit malfunction | CAN communication system Vehicle speed signal circuit Combination meter assembly Tire pressure warning ECU and receiver |
INSPECTION PROCEDURE
- NOTICE:
1.CHECK CAN COMMUNICATION SYSTEM |
Turn the engine switch off.
Connect the GTS to the DLC3.
Turn the engine switch on (IG) and turn the GTS on.
Enter the following menus: "CAN Bus Check" from the "System Select" screen.
Check the CAN communication system (for LHD: , for RHD: ).
- OK:
- The CAN communication system is normal.
- Result:
Result Proceed to OK A NG (for LHD) B NG (for RHD) C
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A | |
2.CHECK VEHICLE SPEED SIGNAL (DATA LIST) |
Turn the engine switch off.
Connect the GTS to the DLC3.
Turn the engine switch on (IG) and turn the GTS on.
Enter the following menus: Chassis / Tire Pressure Monitor / Data List.
Check that the values indicated on the GTS and on the combination meter assembly are the same.
Tester Display | Measurement Item/Range | Normal Condition | Diagnostic Note |
Vehicle Speed | Vehicle speed reading/ min.: 0 km/h (0 mph), max.: 255 km/h (158 mph) | Actual vehicle speed | Speed indicated on the combination meter assembly |
- OK:
- The vehicle speed displayed on the GTS changes depending on the actual vehicle speed.
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OK | |
3.CHECK TEST MODE DTC (C2191/91) |
Turn the engine switch off.
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Chassis / Tire Pressure Monitor / Utility / Signal Check.
Perform the test mode inspection ().
- Result:
Result Proceed to DTC C2191/91 is not cleared A DTC C2191/91 is cleared B
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A | ||
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