Toyota CH-R Service Manual: Operation History List

OPERATION HISTORY LIST

NOTICE:

  • The cause of a malfunction is stored in the RAM or EEPROM in the certification ECU (smart key ECU assembly). As the cause of a malfunction stored in the RAM will be cleared when the cable is disconnected from the negative (-) battery terminal, do not disconnect the cable from the negative (-) battery terminal before checking and recording the operation history.
  • When using the Techstream with the engine switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Key. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.

OPERATION HISTORY

HINT:

The certification ECU (smart key ECU assembly) stores the operation history of the smart key system and it can be read using the Techstream.

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Smart Key / Utility / Operation History.

Body Electrical > Smart Key > Utility

Tester Display

Operation History

(e) Following the instructions on the screen, save the operation history.

Operation History List

Auto Entry Mode Switch History

Auto Entry Wireless Operation History

Warning Operation History

Engine Start

Engine Start (inactive)

Remote Engine Starter (inactive)

Auto Entry Unlock (inactive)

Registration Function (Reason for Non-operation)

Auto Entry Lock (inactive)

Customize(Auto Entry Cancel)

Customize(Door Unlock Mode Switch)

Radio Wave Interference (RF Signal Received)

Engine Start Inactive (Brake/Clutch System)

Radio Wave Interference (RF Reception Not Available)

Engine Start Inactive (Steering Lock System)

HINT:

Some items are not displayed depending on the vehicle.

    Diagnostic Trouble Code Chart
    DIAGNOSTIC TROUBLE CODE CHART Smart Key System (for Entry Function) DTC No. Detection Item Link B27A1 Open in Driver Side Electrical Ante ...

    Open in Front Floor Electrical Key Oscillator Circuit (B27A5)
    DESCRIPTION The certification ECU (smart key ECU assembly) generates a request signal and transmits the signal to the No. 1 indoor electrical key antenna assembly (front floor). For the No. 1 ind ...

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