Suzuki Engine 2002 GRAND VITARA SQ420 Service Manual page 16

MALFUNCTION
DETECTED ORDER DATA to be updated
No malfunction No freeze frame data
P0400 (EGR) Data at P0400
1
detected detection
P0171 (Fuel sys- Data at P0171
2
tem) detected detection
P0300 (Misfire) Data at P0171
3
detected detection
P0301 (Misfire) Data at P0171
4
detected detection
Freeze frame data clearance :
The freeze frame data is cleared at the same time as clearance of diagnostic trouble code (DTC).
FRAME 1
FREEZE FRAME
Data at P0400
detection
Data at P0400
detection
Data at P0400
detection
Data at P0400
detection
DATA LINK CONNECTOR (DLC)
DLC (1) in compliance with SAE J1962 in its installation position,
the shape of connector and pin assignment.
K line of ISO 9141 (4) is used for SUZUKI scan tool or generic
scan tool to communication with ECM (PCM) and ABS control
module.
SUZUKI serial data line (3) is used for SUZUKI scan tool to com-
municate with an electronic control unit (Air bag SDM, etc.).
ENGINE GENERAL INFORMATION AND DIAGNOSIS (G16/J20 ENGINES) 6-11
FRAME
FRAME 2
1st FREEZE 2nd FREEZE
FRAME DATA FRAME DATA
Data at P0171
detection
Data at P0171
detection
Data at P0171
detection
2. B+
5. Body ground
6. ECM (PCM) ground
FRAME 3 FRAME 4
3rd FREEZE
FRAME DATA
–
Data at P0300
detection
Data at P0300
detection
–
–