PRECAUTIONS
Precautions for Trouble Diagnosis
CAUTION:
Precautions for Harness Repair
NOTE:
A fray of twisted lines must be within 110 mm (4.33 in).

NOTE:
Bypass connection may cause CAN communication error. The spliced wire becomes separated and the characteristics of twisted line are lost.

Lan systemP0607 ECM
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped onto a vehicle, and each ...
Emission Control System Maintenance
Drive belts*:
Check engine drive belts for wear, fraying or
cracking and for proper tension. Replace any
damaged drive belts.
Engine air filter:
Replace at specified intervals. When driving for
prolonged periods in dusty conditions,
check/replace the filter more frequently.
Engine coolant*:
...
Microphone signal circuit
Description
Voice signals are transmitted from the microphone to the AV control unit
using the microphone signal circuits.
Diagnosis Procedure
1.CHECK HARNESS BETWEEN AV CONTROL UNIT AND MICROPHONE
Turn ignition switch OFF.
Disconnect AV control unit connector and microphone connector ...