Page 472 of 1082
15-70000-00
Rear oxygen
sensor
2) Components for ECU Input
Coolant temperature
sensorCamshaft position
sensorCrankshaft position
sensor
Front oxygen sensor
Knock sensor
G20DF Engine ECUElectronic throttle
body
Refrigerant pressure sensor
Clutch pedal signal
Blower switch signal
Brake pedal signal
CAN
ABS & ESP
Instrument cluster
TCU -
-
-
Oil pressure
switchOil pressure warning lamp
T-MAP sensor
Page 473 of 1082
15-8
A/C compressorOCV (Oil Control Valve)
3) Components for ECU Output
Start motorInjector
VIS solenoid valve
Purge control solenoid
valve
G20DF Engine ECUIgnition coil
CAN
ABS & ESP unit
BCM
E-coupling unit
EPS
Instrument cluster
SKM
TCU
Diagnostic tool -
-
-
-
-
-
-
-
Cooling fan
module
Page 486 of 1082
15-210000-00
7) Immobilizer Control
(1) Overview
The Immobilizer System provides an additional theft deterrent to the vehicle in which it is installed and
prevents it from being started by unauthorized persons. The transponder integrated in the key and the
engine control unit have the same code. When the ignition key with the integrated transponder is turned
to the ON position, the ECU (Engine Control Unit) checks the crypto code of the key and, if correct,
allows the vehicle to start the engine.
For details, refer to Chapter "BCM".
(2) Components
Conditions for cooling fan ▶
Immobilizer
antenna
Immobilizer
key
Start motor
Instrument
cluster
BCM
G20DF ECU
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15-230000-00
8) CAN Configuration (P-CAN/B-CAN)
(1) CAN Configuration (P-CAN/B-CAN)
Name Function
ECUElectronic Control Unit
TCUTransmission Control Unit
EPSElectronic Power Steering Unit
BCMBody Control Moudule
SKMSmart Key Moudule
CAN system communicates with the system units in vehicle. It consists of P-CAN and B-CAN according
to the communication speed.
P-CAN & B-CAN: SKM, Instrument cluster, BCM, Disgnostic connector
P-CAN: ECU, ABS & ESP, TCU, E-coupling, EPS unit
Terminal resistance: installed on ECU and BCM
Page 489 of 1082
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(2) Wiring Connection of CAN Communication
Splice pack Wiring Location
S101 Floor wiring (LH)Under fuse & relay box in engine
compartment
S102 Floor wiring (RH) Inside of right fender
S201 Main wiringBehind instrument cluster (cowl cross
member)
S202 Main wiringBehind instrument cluster (cowl cross
member)
S205 Floor wiring (LH)Under driver’s door scuff
Page 538 of 1082
01-14
5. CAN COMMUNICATION CONFIGURATION
The CAN topology is linked with CAN communication system, which consists of P-CAN and B-CAN.
The instrument cluster and BCM (Body Control Module) communicate through both P-CAN and B-CAN
at the same time, and the SKM (SMART Key Module) communicates with the instrument cluster and
BCM through B-CAN.
1) CAN Configurations (P-CAN/B-CAN)
Abbreviations Meaning Function
GCU Glow Control Unit Glow control unit
EPS Electronic Power Steering Unit Electrically driven power steering unit
BCM Body Control Module Body control module
SKM Smart Key Module Smart key module
Page 539 of 1082
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2) CAN Communication Wiring Diagram
Splice pack Wiring Location
S101 Floor wiring (LH) Under fuse and relay box in engine compartment
S102 Floor wiring (RH) Inside of right fender
S201 Main wiring Behind the instrument cluster (cowl cross member)
S202 Main wiring Behind the instrument cluster (cowl cross member)
S205 Floor wiring (LH) Bottom of driver seat (front right)
Page 585 of 1082
03-198710-01
Speed sensitive intermittent wiper ▶
The BCM without rain sensor operates the wiper as follows:
When turning the ignition switch to ON from OFF position with the intermittent wiper switch in "ON"
position, the wipers do not operate.
When turning the wiper switch to ON from OFF position after turning the ignition switch to ON position,
the wipers operate one cycle.
The wiper's operation cycle depends on the vehicle speed (CAN communication with instrument
cluster) and wiping speed the side fascia panel.
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