Toyota Tacoma 2015-2018 Service Manual: Freeze Frame Data
FREEZE FRAME DATA
DESCRIPTION
(a) Whenever a forward recognition camera system DTC is stored, the forward recognition camera stores the current vehicle state (ECU and sensor information) as Freeze Frame Data.
CHECK FREEZE FRAME DATA
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / Front Recognition Camera / Trouble Codes.
(e) According to the display on the Techstream, select a DTC with freeze frame data.
(f) Read the freeze frame data recorded when the DTC was stored.
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Blockage Status |
Camera obstruction malfunction status |
ON or OFF |
ON: Forward recognition camera obstructed OFF: Forward recognition camera not obstructed |
- |
|
Blockage History |
Camera obstruction history status |
ON or OFF |
ON: Forward recognition camera obstruction history exists OFF: Forward recognition camera obstruction history does not exist |
- |
|
Low Temperature Status |
Low temperature malfunction status |
ON or OFF |
ON: Forward recognition camera low temperature malfunction exists OFF: Forward recognition camera low temperature malfunction does not exist |
- |
|
Low Temperature History |
Low temperature history status |
ON or OFF |
ON: Forward recognition camera low temperature history exists OFF: Forward recognition camera low temperature history does not exist |
- |
|
High Temperature Status1 |
High temperature malfunction status |
ON or OFF |
ON: Forward recognition camera high temperature malfunction exists OFF: Forward recognition camera high temperature malfunction does not exist |
- |
|
High Temperature History1 |
High temperature history status |
ON or OFF |
ON: Forward recognition camera high temperature history exists OFF: Forward recognition camera high temperature history does not exist |
- |
|
High Temperature Status2 |
- |
- |
- |
This item is displayed on the Techstream but is not used. |
|
High Temperature History2 |
- |
- |
- |
This item is displayed on the Techstream but is not used. |
|
Backlight Status |
Backlight Status |
Driving Backlight or OFF |
Driving Backlight: Driving towards the sun OFF: Not driving towards the sun |
- |
|
Vehicle Information (2WD/4WD) |
Vehicle information (drivetrain) stored in forward recognition camera |
2WD, 4WD or Unknown |
2WD: for 2WD 4WD: for 4WD Unknown: Vehicle information not confirmed |
- |
|
Vehicle Information (Conv/HV) |
Vehicle information (conventional/hybrid) stored in forward recognition camera |
Conv, HV or Unknown |
Conv: Conventional HV: Hybrid vehicle Unknown: Vehicle information not confirmed |
- |
Fail-safe Chart
FAIL-SAFE CHART
FAIL-SAFE FUNCTION
(a) If a malfunction is detected in the forward recognition camera system, the
systems that use the forward recognition camera perform the fail-safe function. ...
Data List / Active Test
DATA LIST / ACTIVE TEST
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 part ...
Other materials:
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT OCCUPANT DETECTION ECU (for Vehicle not Involved in Collision)
(a) Perform a diagnostic system check (See page
).
2. INSPECT OCCUPANT DETECTION ECU (for Vehicle Involved in Collision)
(a) Perform a diagnostic system check (See page
).
(b) Even if ...
PTC Heater Circuit
DESCRIPTION
PTC HTR heater relays are closed in accordance with signals from the air conditioning
amplifier assembly and power is supplied to the quick heater assembly installed
on the radiator heater unit.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits rela ...
Hydraulic Test
HYDRAULIC TEST
1. PERFORM HYDRAULIC TEST
(a) Measure the line pressure.
CAUTION:
The line pressure test should always be performed with at least 2 people. One
person should observe the condition of the wheels and wheel chocks while the other
is performing the test.
NOTICE:
Perform ...
