Toyota Tacoma (2015-2018) Service Manual: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Dynamic Radar Cruise Control System|
DTC No. |
Detection Item |
Link |
|---|---|---|
|
C1A02 |
Vehicle Information Not Obtained |
|
|
C1A0A |
Front Radar Sensor Region Code Mismatch |
|
|
C1A10 |
Front Radar Sensor |
|
|
C1A11 |
Front Radar Sensor Incorrect Axial Gap |
|
|
C1A14 |
Front Radar Sensor Beam Axis Not Adjusted |
|
|
C1A4A |
Skid Control Buzzer Circuit |
|
|
C1A52 |
Radar Cruise Control Presence Determination Malfunction (Engine / HV) |
|
|
P0571 |
Brake Switch "A" Circuit |
|
|
P0575 |
Cruise Control Input Circuit |
|
|
P1578 |
Brake System |
|
|
P1630 |
Communication Error from VSC to ECM |
|
|
P1631 |
Communication Error from ECM to VSC |
|
|
U0100 |
Lost Communication with ECM / PCM "A" |
|
|
U0104 |
Lost Communication with Cruise Control Module |
|
|
U0122 |
Lost Communication with Vehicle Dynamics Control Module |
|
|
U0125 |
Lost Communication with Yaw Rate Sensor Module |
|
|
U0126 |
Lost Communication with Steering Angle Sensor Module |
|
|
U0129 |
Lost Communication with Brake System Control Module |
|
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Data List / Active Test
DATA LIST / ACTIVE TEST
READ DATA LIST
NOTICE:
In the table below, the values listed under "Normal Condition" are reference
values. Do not depend solely on these reference values when d ...
Fail-safe Chart
FAIL-SAFE CHART
HINT:
If any of the following auto cancel conditions are detected while the dynamic
radar cruise control system is controlling vehicle speed, the system clears the
stored vehicle ...
Other materials:
While Alarm is Armed, Engine Hood is opened but Alarm does not Sound
DESCRIPTION
A situation in which the alarm is armed but does not sound when the hood is opened
can be caused when the main body ECU (multiplex network body ECU) cannot detect
whether the hood courtesy switch is open or closed.
If the alarm does not sound, there may be a malfunction in the hood ...
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT REFRIGERANT PRESSURE
(a) This method uses a refrigerant recovery unit set to locate problem areas.
Read the refrigerant pressure when the test conditions are established.
Test conditions:
Temperature at the air inlet with the air recirculation ...
Monitor Drive Pattern
MONITOR DRIVE PATTERN
1. TEST MONITOR DRIVE PATTERN FOR ECT
CAUTION:
Perform this drive pattern on a level surface and strictly observe the posted
speed limits and traffic laws while driving.
HINT:
Performing this drive pattern is one method to simulate the ECM (ECT) malfunction
detection c ...
