Suzuki 2000 Grand Vitara SQ416, Service Manual

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YH4
GRAND
VITARA
Body ground
ECM (PCM) ground
K line of ISO 9141
SUZUKI
serial data
line
6-8 ENGINE DIAGNOSIS (G16 / J20 ENGINES)
FRAME
MALFUNCTION
DETECTED ORDER
FRAME 1 FRAME 2 FRAME 3 FRAME 4
1
2
3
4
FREEZE FRAME DATA
to be updated
1st FREEZE FRAME
DATA
2nd FREEZE FRAME
DATA
3rd FREEZE FRAME
DATA
No malfunction
P0400 (EGR) detected
P0171 (Fuel system)
detected
P0300 (Misfire)
detected
P0301 (Misfire)
detected
Data at P0400
detection
No freeze frame data
Data at P0171
detection
Data at P0171
detection
Data at P0171
detection
Data at P0400
detection
Data at P0400
detection
Data at P0400
detection
Data at P0400
detection
–
Data at P0171
detection
Data at P0171
detection
Data at P0171
detection
Data at P0300
detection
Data at P0300
detection
–
–
Freeze frame data clearance:
The freeze frame data is cleared at the same time as clearance of
diagnostic trouble code (DTC).
Data Link Connector (DLC)
DLC in compliance with SAE J1962 in its installation position, the
shape of connector and pin assignment.
K line of ISO 9141 is used for SUZUKI scan tool (Tech-1) or generic
scan tool to communication with ECM (PCM) and ABS control mod-
ule.
SUZUKI serial data line is used for SUZUKI scan tool (Tech-1) to
communicate with an electronic control unit (Airbag SDM, etc.).