SYSTEM DIAGRAM

System Description
Problem Symptoms TableRemoval
REMOVAL
PROCEDURE
1. REMOVE TIMING CHAIN COVER ASSEMBLY
(See page )
2. SEPARATE NO. 2 WATER BY-PASS PIPE (for Vacuum Brake Booster)
3. REMOVE VACUUM PUMP ASSEMBLY (for Vacuum Brake Booster)
4. SET NO. 1 CYLINDER TO TDC/COMPRESSION
5. REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY
6. REMO ...
Transfer L4 Position Switch Circuit (C1268)
DESCRIPTION
A-TRAC is activated if wheel skid is detected while the transfer is in the L4
position.
DTC Code
DTC Detecting Condition
Trouble Areas
C1268
L4 detection switch signal input to skid control ECU (master cylinder
solenoid ...
Motor Power Supply Voltage Circuit (C142B-C146D)
DESCRIPTION
The motor relay and motor fail-safe relay are built into the brake actuator assembly.
During ABS, TRAC, VSC, or brake assist operation, the skid control ECU (brake
actuator assembly) turns on the motor relay to run the pump motor in the brake actuator
assembly.
When a motor system ...