Diagnosis System

TIRE AND WHEEL: TIRE PRESSURE WARNING SYSTEM: DIAGNOSIS SYSTEM

DIAGNOSIS SYSTEM

1. DIAGNOSIS SYSTEM
(a) Warning light and indicator





(1) When there is a problem with the tire pressure warning system, "Check Tire Pressure System" is displayed on the multi-information display, the master warning light turns on and the tire pressure warning light blinks at 0.5 second intervals, and turns on after 1 minute.
NOTE: When the malfunction has been corrected, the tire pressure warning light does not turn on or blink and "Check Tire Pressure System" is not displayed.

(b) DTCs (Normal mode)
(1) DTCs are memorized in the tire pressure warning ECU and read by the blinks of the tire pressure warning light or by using the Techstream Reading and Clearing Diagnostic Trouble Codes.
(c) Test mode
(1) By switching from normal mode into test mode (input signal check), the tire pressure warning antenna and receiver, each tire pressure warning valve and transmitter, and vehicle speed sensor can be inspected Test Mode Procedure.
2. CHECK WARNING LIGHT






(a) Turn the power switch on (IG).

(b) Check that the tire pressure warning light turns on for 3 seconds.
If the warning check result is not normal, proceed to the troubleshooting for the tire pressure warning light circuit.






3. TIRE PRESSURE WARNING LIGHT AND INDICATOR CHART
HINT: The table below indicates the state of the tire pressure warning light and indicator after the power switch is turned on (IG).





- *1: Turns on and goes off repeatedly at 0.5 second intervals, and turns on after 1 minute.





- *2: Turns on and goes off repeatedly at 0.125 second intervals.





- *3: Blinks 3 times (1 second on, 1 second off).





- *4: Turns on and goes off repeatedly at 0.25 second intervals.





- *5: When there is an open circuit, the light is off for 10 seconds. Then it blinks at 0.5 second intervals, and turns on after 1 minute.