Toyota Yaris: Cxpi Communication System / Precaution
PRECAUTION
PRECAUTION FOR SEMICONDUCTOR POWER INTEGRATION ECU
(a) Do not remove or install the semiconductor power integration ECU and power distribution box assembly with the negative (-) auxiliary battery terminal connected.
NOTICE:
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After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.
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When disconnecting the cable from the negative (-) auxiliary battery terminal while performing repairs, some systems need to be initialized after the cable is reconnected.
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(b) Make sure that the semiconductor power integration ECU and power distribution box assembly is not exposed to water, as it is not waterproof.
(c) Some load is connected to a dedicated circuit to prevent overcurrent. Therefore, parts other than those specified for the vehicle may not be able to be used.
(d) When replacing the semiconductor power integration ECU and power distribution box assembly, the system may not operate normally if the same part number is not used.
(e) Check that systems are operating normally before proceeding with troubleshooting.
PARTS LOCATION ILLUSTRATION
*1 SEMICONDUCTOR POWER INTEGRATION ECU *2 ENGINE ROOM RELAY BLOCK - STD P/I NO. 1 FUSE - INP STD NO. 1-1 FUSE - WASHER FUSE *3 LIGHT CONTROL LED ECU RH *4 LIGHT CONTROL LED ECU LH ILLUSTRATION
*1 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *2 POWER DISTRIBUTION BOX ASSEMBLY - ECU-IGR NO...
Other information:
TERMINALS OF ECU CHECK AWD ECU ASSEMBLY
(a) Measure the voltage and resistance of the connector. Terminal No. (Symbol) Terminal Description Condition Specified Condition O119-1 (GND) - Body ground Ground Always Below 1 Ω O119-2 (BSLC) - O119-1 (GND) AWD ECU assembly power supply Always 11 to 14 V O119-13 (T1H) - O119-1 (GND) Temperature sensor (+) input Ignition switch ON 0...
DESCRIPTION Refer to DTC C050C1F. Click here
DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from C050C14 Left Rear Wheel Speed Sensor Circuit Short to Ground or Open An open in the speed sensor signal circuit continues for 0...
Categories
The front and side supplemental restraint systems (SRS) include different
types of air bags. Please verify the different types of air bags
which are equipped on your vehicle by locating the “SRS AIRBAG”
location indicators. These indicators are visible in the area where the
air bags are installed.
The air bags are installed in the following locations:
The steering wheel hub (driver air bag)
The front passenger dashboard (front passenger air bag)
The outboard sides of the front seatbacks (side air bags)
The front and rear window pillars, and the roof edge along both
sides (curtain air bags)
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