Toyota Tacoma 2015-2018 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 Main--CPU |
|
Stop Light Switch Sub-CPU |
|
Request Manual Cancel |
|
Request Automatic Cancel |
|
Cruise Brake Control Decision |
|
Cruise Brake Control Permission Condition |
(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 |
Dtc Check / Clear
DTC CHECK / CLEAR
NOTICE:
When the diagnosis system is changed from normal mode to check mode or vice versa,
all DTCs and freeze frame data recorded in normal mode are cleared. Before changing
m ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Dynamic Radar Cruise Control System
DTC No.
Detection Item
MIL
Link
C1A02
Vehicle Information No ...
Other materials:
Speedometer Malfunction
DESCRIPTION
The meter CPU receives vehicle speed signals from the skid control ECU via the
CAN communication system (CAN V1 Bus). The speed sensor detects the wheel speed
and sends the appropriate signals to the skid control ECU. The skid control ECU
supplies power to the vehicle speed sensor ...
Terminals Of Ecu
TERMINALS OF ECU
CHECK MILLIMETER WAVE RADAR SENSOR ASSEMBLY
(a) Measure the voltage and resistance according to the value(s) in the table
below.
Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals ...