Toyota Tundra Service Manual: Freeze Frame Data

FREEZE FRAME DATA

CHECK FREEZE FRAME DATA

HINT:

The ECU records vehicle and driving condition information as freeze frame data the moment a DTC is stored.

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Powertrain / Radar Cruise 1*1 or Radar Cruise 2*2 / Trouble Codes.

  • *1: Output from the ECM
  • *2: Output from the millimeter wave radar sensor assembly

(e) From the DTC screen, select the DTCs (with snow icon) for which freeze frame data is recorded.

LIST OF FREEZE FRAME DATA

(a) Radar Cruise 1:

Powertrain > Radar Cruise1

Tester Display

Cruise Vehicle Speed

Cruise Memory Vehicle Speed

Cruise Request Throttle Opening Angle

Cruise Target Acceleration

Driving Support ECU Target Acceleration

Cruise Request Driving Force

Cruise Request Driving Force Feedback Status

Cruise Control Permission Condition

Cruise Control Condition

Cruise Main Switch Operation Condition

Accelerator Pedal

Stop Light Switch Sub-CPU

Request Manual Cancel

Request Automatic Cancel

Cruise Brake Control Decision

Cruise Brake Control Permission Condition

Brake Cancel Switch

(b) Radar cruise 2:

Powertrain > Radar Cruise2

Tester Display

Cruise Control Mode

Vehicle Distance

Vehicle Acceleration

Closed Throttle Position

Forward Vhcl Relative Spd

Vehicle Approach Warning

Frnt Radar Sens Temp Hi

Front Radar Voltage

# Codes

    Fail-safe Chart

    How To Proceed With Troubleshooting

    See More:

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    DESCRIPTION There may be a short circuit between the CAN main bus lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area Resistance between terminals 18 (CA4H) and 17 (CA4L) of the central gateway ECU ...

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