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:
Check Bus 2 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Detection Item
Trouble Area
Resi ...
Removal
REMOVAL
PROCEDURE
1. REMOVE FRONT WHEEL
2. REMOVE REAR WHEEL
3. REMOVE TIRE PRESSURE WARNING VALVE AND TRANSMITTER
(a) Remove the cap and valve core to release the air from the tire.
NOTICE:
Keep the removed cap and valve core.
(b) After ensuring that a sufficient amount of air has been rele ...
Customize Parameters
CUSTOMIZE PARAMETERS
1. CUSTOMIZING WITH THE TECHSTREAM
HINT:
The following items can be customized.
NOTICE:
When the customer requests a change in a function, first make sure that
the function can be customized.
Record the current settings before customizing.
When troublesh ...