Yaris L4-1.5L (1NZ-FE) (2007)
HINT:
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Perform the following inspection for the ECUs (sensors) which are not displayed on the intelligent tester. If malfunction cannot be identified, then
perform the following inspections for the ECUs (sensors) connected to CAN communication.
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Do not remove the power steering ECU and ECM, as they are the end parts of the circuit. If removed, CAN communication will not be possible.
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The open circuit confirmation of the power steering ECU, ECM and main wire is performed in the CHECK CAN BUS LINE procedure of HOW
TO PROCEED WITH TROUBLESHOOTING. This inspection only has procedures for checking for an open circuit on one side of the CAN
branch wire.
Power Steering ECU Communication Stop Mode
Power Steering ECU Communication Stop Mode
DESCRIPTION
Wiring Diagram