Suzuki 2000 Grand Vitara SQ625 Service Manual page 12

6-8 ENGINE DIAGNOSIS (G16 / J20 ENGINES)
FRAME
MALFUNCTION
DETECTED ORDER
No malfunction
1 P0400 (EGR) detected
P0171 (Fuel system)
2
detected
P0300 (Misfire)
3
detected
P0301 (Misfire)
4
detected
K line of ISO 9141
FRAME 1
FREEZE FRAME DATA
to be updated
No freeze frame data
Data at P0400
detection
Data at P0171
detection
Data at P0171
detection
Data at P0171
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)
SUZUKI
DLC in compliance with SAE J1962 in its installation position, the
serial data
line
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.
Body ground
SUZUKI serial data line is used for SUZUKI scan tool (Tech-1) to
ECM (PCM) ground
communicate with an electronic control unit (Airbag SDM, etc.).
FRAME 2
1st FREEZE FRAME
DATA
Data at P0400
detection
Data at P0400
detection
Data at P0400
detection
Data at P0400
detection
FRAME 3
2nd FREEZE FRAME
DATA
–
Data at P0171
detection
Data at P0171
detection
Data at P0171
detection
FRAME 4
3rd FREEZE FRAME
DATA
–
–
Data at P0300
detection
Data at P0300
detection