Adaptive Cruise Control (ACC) System Inputs and Outputs
Terminal number
Wire color
Terminal sign
Terminal name
Description
Signal
1
GRN
BRK DIAG
Brake diagnosis
Detects ACC relay
ACC brake operated or brake pedal pressed: battery voltage
2
BLU
IG1
Ignition signal
Detects ignition signal
Ignition switch to ON (II): battery voltage
Ignition switch to LOCK (0): about 0 V
8
LT BLU
K-LINE
Data link
Sends and receives scan tool signal
———
9
BLK
PG
Power ground
Ground circuit for the ACC system
———
10
WHT
CANH
CAN High line
F-CAN communication (high) circuit
———
11
BLK
LG1
Logic ground 1
Ground circuit for the ACC system
———
12
BLK
LG2
Logic ground 2
Ground circuit for the ACC system
———
13
WHT
VBU
Back-up voltage
Provides DTC memory voltage
Battery voltage
15
RED
WEN
Write enable signal
Detects write enable signal
———
16
  WHT *1
  BLU *2
BRK LAMP
Brake light
Drives the ACC relay
Ignition switch to ON (II): battery voltage
Ignition switch to LOCK (0): about 0 V
17
BLU
M/R TRX
Millimeter wave radar data link
Communicates with the millimeter wave radar
Ignition switch to ON (II): battery voltage
Ignition switch to LOCK (0): about 0 V
20
RED
CANL
CAN Low line
F-CAN communication (low) circuit
———

*1:
LHD model
*2:
RHD model