Toyota Tacoma (2015-2018) Service Manual: Lighting System
- Precaution
- Parts Location
- System Description
- Customize Parameters
- How To Proceed With Troubleshooting
- Operation Check
- Dtc Check / Clear
- Problem Symptoms Table
- Terminals Of Ecu
- Light Sensor Circuit Malfunction (B1244)
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Automatic High Beam System (B124B)
- Automatic High Beam Camera (B124C)
- Lost Communication with Front Camera Module (U023A)
- Automatic High Beam System does not Operate or Operation Indicator does not Illuminate
- IG Signal Circuit
- Turn Signal Switch Circuit
- ACC Signal Circuit
- Daytime Running Light Relay Circuit
- Headlight Dimmer Switch Circuit
- Door Courtesy Switch Circuit
- Front Fog Light Circuit
- Hazard Warning Switch Circuit
- Interior Light Auto Cut Circuit
- Interior Light Circuit
- Engine Switch Illumination Circuit
- Taillight Relay Circuit
- Cargo Light Circuit
- Door Unlock Detection Switch Circuit
- High Beam Headlight Circuit
- Low Beam Headlight Circuit
License Plate Light Assembly
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for both the LH and RH sides.
The procedure described below is for the ...
Precaution
PRECAUTION
1. PRECAUTION FOR HEADLIGHT BULB REPLACEMENT
(a) When any defects such as deformation, cracks, dents, chipping, etc. are identified
on the headlight, replace it with a new one.
(b) Eve ...
Other materials:
Removal
REMOVAL
PROCEDURE
1. PRECAUTION
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnecting
the cable from the negative (-) battery terminal.
Therefore, make sure to read the disconnecting the cable from the negative (-)
battery terminal notices before p ...
What to do if...
■ Instrument cluster
■ Center panel
■Warning lights
*1: Slip indicator comes on.
*2: The indicator flashes to indicate a malfunction.
GAS STATION INFORMATION
...
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 ...
