Toyota Tacoma (2015-2018) Service Manual: Blind Spot Monitor System
- Precaution
- Parts Location
- System Description
- System Diagram
- How To Proceed With Troubleshooting
- Operation Check
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Dtc Check / Clear
- Freeze Frame Data
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Software Incompatibility with Body Control Module "B" (U1331)
- Lost Communication with Blind Spot Monitor Slave Module (U0232)
- Lost Communication with ECM / PCM "A" (U0100,U0126,U0129,U0142)
- Short to +B in Buzzer (C1ABD,C1ABE)
- Blind Spot Monitor Slave Module Beam Axis Inspection Incomplete (C1ABC)
- Destination Information Undefined (C1AB8)
- Blind Spot Monitor Master Module Beam Axis Inspection Incomplete (C1ABB)
- Blind Spot Monitor Slave Module (C1AB7)
- Open in Outer Mirror Indicator(Slave) (C1AB5)
- Blind Spot Monitor Master Module (C1AB6)
- Open in Outer Mirror Indicator(Master) (C1AB4)
- Short to GND in Outer Mirror Indicator(Master) (C1AB2)
- Short to GND in Outer Mirror Indicator(Slave) (C1AB3)
- Short to +B in Outer Mirror Indicator(Slave) (C1AB1)
- Vehicle Speed Sensor (C1A45)
- Short to +B in Outer Mirror Indicator(Master) (C1AB0)
- Steering Angle Sensor (C1A47)
- Slave Module Horizontal Axis Misalignment (C1AC2)
- Master Module Horizontal Axis Misalignment (C1AC1)
- Main Switch Circuit
- Power Source Circuit
Installation
INSTALLATION
CAUTION / NOTICE / HINT
NOTICE:
Replace the blind spot monitor sensor if it has been dropped or subjected to
a severe impact.
PROCEDURE
1. INSTALL BLIND SPOT MONITOR SENSOR LH
(a) ...
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are u ...
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 ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Disconnect the C27 and C29 certification ECU (smart key ECU assembly) connectors.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
HINT:
Measure the values on the wire harness side w ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE FRONT LICENSE PLATE BRACKET
(a) Remove the 2 screws and front license plate bracket.
2. REMOVE NO. 4 ENGINE ROOM WIRE (w/ Fog Light)
(a) Disconnect the 2 connectors.
...
