Test Mode Procedure
TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: TEST MODE PROCEDURE
TEST MODE PROCEDURE
1. PERFORM SIGNAL CHECK
HINT:
- When entering signal check mode, the tire pressure warning ECU sets all the test mode DTCs first.
After completing the signal check for each inspection item, the DTCs for systems that are determined to be normal by the tire pressure warning ECU will be erased.
- The DTCs for other inspection items may not be erased when only a certain signal is inspected.
- When signal check returns to normal mode, all the test mode DTCs will be erased.
(a) Turn the power switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the power switch on (IG) and the Techstream on.
(d) Enter the following menus: Chassis / Tire Pressure Monitor / Utility / Signal Check.
HINT: Every time the test mode DTC erasure conditions are satisfied, the tire pressure warning light turns on for 1 second. Then, the tire pressure warning light blinks at 0.125 second intervals.
(e) Drive the vehicle at 20 km/h (12 mph) or more for 3 seconds or more to check the vehicle speed signal (C2191/91).
(f) Loosen the valve core and rapidly reduce the pressure (at least 40 kPa (0.4 kgf/cm2, 5.8 psi) within 30 seconds) to check the transmitter data (C2181/81 to C2185/85).
HINT: The transmitter ID can be transmitted by rapidly reducing the tire pressure.
(g) Check that the tire pressure warning system test mode DTCs are erased.
(h) Check the tire pressure warning reset switch.
(1) Press the tire pressure warning reset switch.
(2) Check the tire pressure warning light.
(i) Result
HINT: After the signal check is completed, check for a test mode DTC to confirm the system status.
(j) End of Signal Check
(1) After completing the test mode (Signal Check), turn the power switch off and disconnect the Techstream.
(k) DTC of Test Mode (TEST DIAGNOSIS)
(1) If a trouble code is displayed during the test mode DTC check, check the circuit listed for that code. For details of each code, refer to the "See page" below.
