Anti-Lock Brake System Freeze Frame Data

Brake. Corolla. Zre142 Aze141
Brake Control Dynamic Control Systems. Corolla. Zre142 Aze141

  1. FREEZE FRAME DATA

  1. CHECK FREEZE FRAME DATA

  1. CLEAR FREEZE FRAME DATA

Anti-Lock Brake System -- Freeze Frame Data



FREEZE FRAME DATA

  1. Whenever an ABS DTC is detected, the skid control ECU stores the current vehicle (sensor) state as Freeze Frame Data.

  2. The skid control ECU stores the number of times (maximum: 31) the ignition switch has been turned from off to ON since the last time the ABS was activated.

    HINT:
    1. If the vehicle is stopped, at a low speed (7 km/h (4.3 mph) or less), or if a DTC is detected, the skid control ECU will stop counting the number of times the ignition switch has been turned from off to ON.
    2. Freeze Frame Data at the time the ABS operates:
      The skid control ECU stores and updates data whenever the ABS system operates.
      When the ECU stores data at the time a DTC is detected, the data stored during ABS operation is cleared.
    3. Freeze Frame Data at the time a DTC is detected:
      When the skid control ECU stores data at the time a DTC is detected, no updates will be performed until the data is cleared.

CHECK FREEZE FRAME DATA

  1. Connect the Techstream to the DLC3.

  2. Turn the ignition switch to ON.

  3. Turn the Techstream on.

  4. Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes.

  5. According to the Techstream display, select the trouble code data display with Freeze Frame Data.

    ABS/VSC/TRAC
    Tester Display
    		Measurement Item
    		Reference Value
    Elapsed Time after Freeze Trigger
    		Elapsed time after freeze frame trigger
    		Min.: 0 ms, Max.: 500 ms
    Number of IG ON
    		Number of operations of ignition switch being turned to ON after storing Freeze Frame Data
    		0 to 31
    Stop Light SW
    		Stop light switch signal
    		Stop light switch ON: ON, OFF: OFF
    Parking Brake SW
    		Parking brake switch signal
    		Parking brake switch ON: ON, OFF: OFF
    Operated System
    		Operated system status
    		ABS: ABS activated
    FAIL: Fail safe mode activated
    SYS: System prohibit activated
    NON: No operation activated
    FR Wheel Speed
    		FR wheel speed reading
    		Min.: 0 km/h (0 mph), Max.: 326.4 km/h (202 mph)
    FL Wheel Speed
    		FL wheel speed reading
    		Min.: 0 km/h (0 mph), Max.: 326.4 km/h (202 mph)
    RR Wheel Speed
    		RR wheel speed reading
    		Min.: 0 km/h (0 mph), Max.: 326.4 km/h (202 mph)
    RL Wheel Speed
    		RL wheel speed reading
    		Min.: 0 km/h (0 mph), Max.: 326.4 km/h (202 mph)
    Vehicle Speed
    		Vehicle speed reading
    		Min.: 0 km/h (0 mph), Max.: 326.4 km/h (202 mph)
    Vehicle Speed Grade
    		Vehicle speed grade
    		Min.: -25.11 m/s2, Max.: 24.91 m/s2


CLEAR FREEZE FRAME DATA
NOTICE:
Clearing the DTC will also clear the Freeze Frame Data.

  1. Connect the Techstream to the DLC3.

  2. Turn the ignition switch to ON.

  3. Clear the DTC and Freeze Frame Data (COROLLA_ZRE142 RM000000XHV0F3X.html).