SYSTEM DIAGRAM
(a) The CAN communication system is composed of 5 buses.
*A |
w/ Blind Spot Monitor System |
- |
- |
CAN Main Bus Line |
Terminating Resistor |
||
CAN Branch Line |
* |
Gateway Function Equipped ECU |
|
Bus Monitoring Direction |
- |
- |
Connected to |
Code |
ECU/Sensor Name |
CAN DTC Storage |
Note |
---|---|---|---|---|
- |
CGW |
Central Gateway ECU (Network Gateway ECU) |
- |
- |
- |
DLC3 |
DLC3 |
- |
- |
Bus 1 |
BSM |
Blind Spot Monitor Sensor LH |
Available |
w/ Blind Spot Monitor System |
F-CAM |
Forward Recognition Camera |
Available |
w/ Toyota Safety Sense P |
|
F-MR |
Millimeter Wave Radar Sensor Assembly |
Available |
w/ Toyota Safety Sense P |
|
CAN J/C NO. 6 |
No. 6 CAN Junction Connector |
- |
w/ Blind Spot Monitor System |
|
CAN J/C NO. 1 |
No. 1 CAN Junction Connector |
- |
- |
|
Bus 2 |
ENG |
ECM |
Available |
- |
Bus 3 |
AV |
Radio and Display Receiver Assembly |
Available |
for Radio and Display Type |
DCM |
DCM (Telematics Transceiver) |
Available |
w/ Telematics Transceiver |
|
CAN J/C NO. 3 |
No. 3 Junction Connector |
- |
- |
|
Bus 4 |
STR |
Steering Sensor |
- |
- |
EPS |
Power Steering ECU Assembly |
Available |
- |
|
BRK |
Brake Actuator Assembly |
Available |
- |
|
OCS |
Occupant Detection ECU |
Available |
w/ Occupant Detection ECU |
|
SRS |
Airbag Sensor Assembly |
Available |
- |
|
CAN J/C NO. 5 |
No. 5 CAN Junction Connector |
- |
- |
|
CAN J/C NO. 4 |
No. 4 CAN Junction Connector |
- |
- |
|
Bus 5 |
A/C |
Air Conditioning Amplifier Assembly |
Available |
Connected to LIN communication system |
SMT |
Certification ECU (Smart Key ECU Assembly) |
Available |
w/ Smart Key System |
|
MB |
Main Body ECU (Multiplex Network Body ECU) |
Available |
Connected to LIN communication system |
|
LIT |
Headlight ECU Sub-assembly LH |
Available |
for LED Headlight |
|
MET |
Combination Meter Assembly |
Available |
- |
|
CAN J/C NO. 3 |
No. 3 CAN Junction Connector |
- |
- |
Toyota CH-R Service Manual > Integration Relay: Inspection
INSPECTION
PROCEDURE
1. INSPECT NO. 1 INTEGRATION RELAY
(a) IG1 NO. 3 RELAY:
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
...
Toyota CH-R Service Manual > Lin Communication System: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
The main body ECU (multiplex network body ECU) and certification ECU (smart key
ECU assembly) control the LIN communication system. LIN communication system data
and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector
3 (DLC3).
When the s ...