Toyota Yaris: Lighting (ext) / Lighting System
- Precaution
- Parts Location
- System Diagram
- How To Proceed With Troubleshooting
- Operation Check
- Customize Parameters
- Problem Symptoms Table
- Terminals Of Ecu
- Dtc Check / Clear
- Freeze Frame Data
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Vehicle Control History
- Light Sensor Circuit Malfunction (B124400)
- Headlight LH Circuit (B243900,B243A00)
- Low Beam LH Circuit Voltage Out of Range (B24441C,B24451C)
- Lost Communication with ECM/PCM "A" Missing Message (U010087,U012087,U012687,U012987,U015187,U015587,U016487,U016887)
- Lost Communication With ECM/PCM "A" Missing Message (U010087,U012687,U012987,U013487,U014087)
- Lost Communication with Cruise Control Front Distance Range Sensor Signal Sensor or Center Missing Message (U023587)
- Turn Signal Switch Circuit
- Automatic High Beam Switch Indicator does not Come ON
- Automatic High Beam System does not Operate or Operation Indicator does not Illuminate
- Headlight Dimmer Switch Circuit
- Clearance Light/Daytime Running Light Circuit
- Front Fog Light Circuit
- Rear Fog Light Circuit
- Hazard Warning Switch Circuit
- LO-beam Headlight does not Illuminate
- Parking Brake Switch Circuit
- Taillight Relay Circuit
- High Beam Headlight Circuit
PRECAUTION PRECAUTION FOR BULB REPLACEMENT (a) Always prepare a new bulb for immediate replacement. While replacing the bulb, the lens may attract dust and moisture if the bulb is removed from the vehicle for a long time...
Other information:
SYSTEM DESCRIPTION LOAD OPERATION OUTPUT (a) Load is turned on or off according to the operation signals and switch signals from each ECU. Components Semiconductor Power Integration ECU Power Distribution Box Assembly Operation Signal Communication Support
*1: w/ Front Seat Heater
*2: Built into power distribution box assembly Headlight ECU Assembly ○ - Not supported Fog Light Assembly ○ - Supported Rear Window Defogger / Mirror Heater - ○ Supported Taillight - ○ Supported Rear Fog Light - ○ Supported Back-up Light - ○ Not supported Outer Rear View Mirror Assembly - ○ Supported Panel Illumination - ○ Supported Seat Heater LH*1 High/Low - ○ Not supported Seat Heater RH*1 High/Low - ○ Not supported Passenger Seat Buckle Switch Delegated Input - ○ - Occupant Detection Sensor Delegated Input - ○ - Rear Seat RH Buckle Switch Delegated Input - ○ - Rear Seat CTR Buckle Switch Delegated Input - ○ - Rear Seat LH Buckle Switch Delegated Input - ○ - IGR Relay*2 - ○ Not supported SEMICONDUCTOR FUSE FUNCTION (a) When a malfunction current occurs during load operation, the current is shut off before the electrical lines emit smoke, and then load is turned off...
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT AIR CONDITIONING PRESSURE SENSOR (a) Check the wire harness. (1) Disconnect the A51 air conditioner pressure sensor connector. (2) Disconnect the H25 air conditioning amplifier assembly connector. (3) Measure the resistance according to the value(s) in the table below...
Categories
The front seat belt pretensioners are designed to deploy in moderate or
severe frontal, near frontal collisions.
In addition, the pretensioners operate when a side collision or a rollover
accident is detected. The pretensioners operate differently
depending on what types of air bags are equipped. For more details
about the seat belt pretensioner operation, refer to the SRS Air Bag
Deployment Criteria.
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