Outline
Supplies power to each part by switching the main relay on/off at the optimal timing according to the vehicle conditions.
Block Diagram

Operation
When the ignition is switched ON, the main relay turns on and electrical power is supplied to each sensor and device.
When the ignition is switched off from ON, an on-request signal is received from each control (such as drive-by-wire control, electric variable valve timing control) and the main relay turns on for a specified period.
Front Body Control Module (Fbcm) Removal/Installation
Multiplex Communication SystemClutch Fluid Inspection [C66 M R]
NOTE:
A common reserve tank is used for the clutch system and brake system.
1. Verify that the clutch fluid is between the MIN mark and the MAX mark.
Verify that there is no clutch fluid leakage then add clutch fluid to the
level between the MIN mark and the MAX mark..
...
Wheel Hub, Steering Knuckle Removal/Installation
CAUTION:
Performing the following procedures without first removing the ABS wheel-speed
sensor may possibly cause an open circuit in the wiring harness if it is pulled
by mistake. Before performing the following procedures, disconnect the ABS wheel-speed
sensor connector (axle sid ...
Center Roof Antenna Inspection
NOTE:
The center roof antenna is integrated with the antenna amplifier.
Antenna amplifier inspection
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Front scuff plate.
b. Rear scuff plate.
c. B-pillar lower trim.
d. Front seat belt adjusting cove ...