Toyota 2GR-FE Manual page 888

ST–26
CG SG
Symbols (Terminal No.)
CG (4) - Body ground
SG (5) - Body ground
SIL (7) - SG (5)
BAT (16) - Body ground
CANH (6) - CANL (14)
CANH (6) - CG (4)
CANL (14) - CG (4)
CANH (6) - BAT (16)
CANL (14) - BAT (16)
ST
2GR-FE STARTING – SMART KEY SYSTEM
CANH SIL
BAT
CANL
H100769E16
Terminal Description
Chassis ground
Signal ground
Bus "+" line
Battery positive
CAN bus line
HIGH-level CAN bus line
LOW-level CAN bus line
HIGH-level CAN bus line
LOW-level CAN bus line
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) Push-button start function data and the Diagnostic
Trouble Codes (DTCs) can be read through the
Data Link Connector 3 (DLC3) of the vehicle. When
the function seems to be malfunctioning, use the
intelligent tester to check for malfunctions and
perform repairs.
2. CHECK DLC3
HINT:
The ECU uses ISO 15765-4 communication protocol.
The terminal arrangement of the DLC3 complies with
SAE J1962 and matches the ISO 15765-4 format.
Condition
Always
Always
During transmission
Always
*
Engine Switch OFF
*
Engine Switch OFF
*
Engine Switch OFF
*
Engine Switch OFF
*
Engine Switch OFF
NOTICE:
*: Before measuring the resistance, leave the vehicle
as is for at least 1 minute and do not operate the
engine switch, any other switches or the doors.
If the result is not as specified, the DLC3 may have a
malfunction. Repair or replace the harness and
connector.
Specified Condition
Below 1 Ω
Below 1 Ω
Pulse generation
10 to 14 V
56 to 69 Ω
200 Ω or more
200 Ω or more
6 kΩ or more
6 kΩ or more