Toyota Tacoma (2015-2018) Service Manual: Forward Recognition Camera System
- Precaution
- Parts Location
- System Description
- System Diagram
- How To Proceed With Troubleshooting
- Problem Symptoms Table
- Utility
- Diagnosis System
- Dtc Check / Clear
- Terminals Of Ecu
- Fail-safe Chart
- Freeze Frame Data
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Lost Communication with ECM / PCM "A" (U0100,U0101,U0123,U0126,U0129,U0142,U0155)
- Yaw Rate Sensor Circuit (C1AA4,C1AA5)
- Heater Circuit (C1AAE)
- Front Camera Module Incorrect Axial Gap (C1AA8,C1AA9)
- FCM Destination Information Uninitialized (C1AAA)
- Vehicle Speed Sensor Circuit (C1AA3)
- Skid Control Buzzer Circuit (C1AA7)
- FCM Destination Information Unmatched (C1AA1)
- Vehicle Speed Tolerance Malfunction (C1AA2)
- Front Radar Sensor Region Code Mismatch (C1A0A)
- Steering Angle Sensor (C1A47)
- Front Camera Module Circuit (C1AA0)
- Power Source Circuit
Cruise SET Indicator Light Circuit
DESCRIPTION
The ECM illuminates the cruise control SET indicator by sending indicator output
demand signals to the combination meter assembly via CAN communication. The cruise
control SET indicat ...
Precaution
PRECAUTION
PRECAUTION WHEN REPLACING COMBINATION METER ASSEMBLY
(a) When replacing the combination meter assembly, always replace it with a new
one. If a combination meter assembly which was insta ...
Other materials:
Open in Occupant Classification ECU Battery Positive Line (B1794)
DESCRIPTION
DTC B1794 is set when a malfunction is detected in the occupant detection ECU.
DTC No.
DTC Detections Conditions
Trouble Areas
B1794
Occupant detection ECU circuit malfunction
Occupant detection ECU malfuncti ...
Check Bus 3 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 6 (CA3H) and 21 (CA3L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Detection Item
Trouble Area
Resis ...
General maintenance
Listed below are the general maintenance items that should be performed at
the intervals specified in the “Scheduled Maintenance Guide” or “Owner’s Manual
Supplement”. It is recommended that any problem you notice should be brought to
the attention of your Toyota dealer or qualified ...
