
IN-8 INTRODUCTION
2. BRAKE SYSTEM
The brake system is one of the most important safety components. Always follow the directions and
notes given in section BR of the repair manual for the relevant model year when handling brake
system parts.
NOTICE: When repairing the brake master cylinder or TRAC system, bleed the air out of the TRAC
system.
3. DRIVE TRAIN AND CHASSIS
The drive train and chassis are components–that can have great effects on the running performance
and vibration resistance of the vehicle. After installing components in the sections listed in the table
below, perform alignments to ensure correct mounting angles and dimensions. Particularly accurate
repair of the body must also be done to ensure correct alignment.
HINT: Correct procedures and special tools are required for alignment. Always follow the directions
given in the repair manual for the relevant model year during alignment and section DI of this manual.
Component to be aligned Section of repair manual
for relevant model year
Front Wheels Suspension and Axle (SA) section
Rear Wheels Suspension and Axle (SA) section
Propeller Shaft Propeller Shaft (PR) section
4. ECU (ELECTRONIC CONTROL UNIT)
Locations of ECUs
Cruise Control ECU Auto Antenna Control Relay
Theft Deterrent
ECU
A/C Amplifier
PPS ECU
Daytime Running
Light Relay (Main) Blower Control
(for Canada) Relay
Traction ECU
R/B No. 4 (for 2JZ–GTE)
ABS ECU
J/B No. 1 (for 2JZ–GE)
Integration
Relay Stereo Power
Amplifier
ABS and Traction ECU
(for 2JZ–GTE)
ABS Shift Lock ECU Engine Control Center Airbag
Deceleration Module Sensor Assembly
Sensor (Engine ECU)