Suzuki Engine 2002 GRAND VITARA SQ625 - Page 152

ENGINE GENERAL INFORMATION AND DIAGNOSIS (H25 ENGINE) 6-1-11
Freeze frame data clearance :
The freeze frame data is cleared at the same time as clearance of
DTC.
Data Link Connector (DLC)
DLC (1) is in compliance with SAEJ1962 in its installation posi-
tion, the shape of connector and pin assignment.
Serial data line (K line of ISO 9141) (4) is used for SUZUKI scan
tool or generic scan tool to communicate with ECM (PCM), Airbag
SDM and ABS control module. SUZUKI serial data line (3) is used
for SUZUKI scan tool to communicate with an electronic control
unit (Immobilizer control module).
FRAME
FRAME 1FRAME 2FRAME 3FRAME 4
MALFUNCTION
DETECTED ORDER
FREEZE FRAME
DATA to be updated
1st FREEZE
FRAME DATA
2nd FREEZE
FRAME DATA
3rd FREEZE
FRAME DATA
No malfunction
No freeze frame
data
No freeze frame
data
No freeze frame
data
No freeze frame
data
1
P0112 (IAT)
detected
Data at P0112
detection
Data at P0112
detection
No freeze frame
data
No freeze frame
data
2
P0171 (Fuel sys-
tem) detected
Data at P0171
detection
Data at P0112
detection
Data at P0171
detection
No freeze frame
data
3
P0300 (Misfire)
detected
Data at P0171
detection
Data at P0112
detection
Data at P0171
detection
Data at P0300
detection
4
P0301 (Misfire)
detected
Data at P0171
detection
Data at P0112
detection
Data at P0171
detection
Data at P0300
detection
2. B+
5. Body ground
6. ECM (PCM) ground