Toyota Yaris: Before Driving
The following components of the air bag systems are monitored by a
diagnostic system:
Crash sensors, and diagnostic module (SAS unit)
Front air bag sensors
Air bag modules
Side crash sensors
Air bag/Front seat belt pretensioner system warning light
Front seat belt pretensioners
Related wiring
Front passenger air bag deactivation indicator light
Front passenger occupant classification sensor
Front passenger occupant classification module
The diagnostic module continuously monitors the system’s readiness...
Other information:
DESCRIPTION When a malfunction is detected between various ECUs and sensors, these DTCs are stored. DTC No. Detection Item DTC Detection Condition Trouble Area U010087 Lost Communication With ECM/PCM "A" Missing Message When the ignition switch is ON for 3 seconds or more, and the vehicle is being driven at a speed of 5 km/h (3mph) or more, a communication malfunction between the forward recognition camera and the ECM continues for 2 seconds or more...
TERMINALS OF ECU CHECK POWER DISTRIBUTION BOX ASSEMBLY
(a) Remove the power distribution box assembly. Click here
(b) Reconnect the power distribution box assembly connectors. (c) Measure the voltage and resistance according to the value(s) in the table below...
Categories

Smart key
Auxiliary key
Key code number plate
To use the auxiliary key, press the knob and pull out the auxiliary key
from the smart key.

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