Toyota Camry (XV70): Precaution

PRECAUTION

PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL

NOTICE:

When disconnecting the cable from the negative (-) battery terminal, initialize the following system(s) after the cable is reconnected.

IGNITION SWITCH EXPRESSION

HINT:

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 used in this section.

HANDLING PRECAUTIONS FOR SRS AIRBAG SYSTEM

(a) This vehicle is equipped with a Supplemental Restraint System (SRS). Failure to carry out service operations in the correct sequence could cause the SRS to unexpectedly deploy during servicing. This may cause a serious accident.

Before servicing (including inspection, replacement, removal and installation of parts), be sure to read the precautionary notices for the Supplemental Restraint System.

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PRECAUTIONS FOR REMOVAL, INSTALLATION AND REPLACEMENT OF ELECTRONIC POWER STEERING COMPONENTS

(a) Be sure to align the front wheels straight ahead when removing and installing the rack and pinion power steering gear assembly.

(b) When disconnecting the steering intermediate shaft assembly, be sure to place matchmarks before starting the operation.

(c) After replacing the rack and pinion power steering gear assembly, calibrate the torque sensor zero point.

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HANDLING PRECAUTION

(a) When handling electronic parts:

(1) Do not subject any parts such as ECUs and relays to any impact. Replace them with new ones if dropped or subjected to a strong impact.

(2) Do not expose any electronic parts to high temperatures or humidity.

(3) In order to prevent deformation or malfunctions due to static electricity, do not touch the connector terminals.

(b) When handling the rack and pinion power steering gear assembly:

(1) When replacing the power steering ECU (rack and pinion power steering gear assembly), make sure to replace each rack and pinion power steering gear assembly with a new one.

NOTICE:

Do not use a rack and pinion power steering gear assembly intended from another vehicle (demo models, etc.).

(2) Do not subject the rack and pinion power steering gear assembly to any strong impact (particularly the motor and torque sensor). Replace these parts with new ones if dropped or subjected to any severe impact.

(3) Do not pull the harness when carrying the rack and pinion power steering gear assembly.

(4) When the rack and pinion power steering gear assembly has been replaced, perform assist map writing and torque sensor zero point calibration.

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PRECAUTIONS FOR CAN COMMUNICATION

(a) CAN communication lines are used to receive information from the skid control ECU (brake actuator assembly) and ECM and to transmit warnings to the combination meter assembly. When problems are detected in the CAN communication lines, CAN communication DTCs are stored.

(b) If any CAN communication system DTCs are output, perform troubleshooting for the CAN communication system first.

(c) The wiring used for each communication line is a twisted pair of wires that have an equal length. Do not temporarily repair a CAN communication line with a bypass wire or equivalent.

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