Suzuki GA413 Service Manual page 784

6-8 ENGINE GENERAL INFORMATION AND DIAGNOSIS
FRAME FRAME
MALFUNCTION
DETECTED ORDER
No malfunction
P0400 (EGR)
1
detected
P0171 (Fuel system)
2
detected
P0300 (Misfire)
3
detected
P0301 (Misfire)
4
detected
B+
ECM ground
Serial data line
(K line of ISO 9141)
In the 2nd through the 4th frames, the freeze frame data of each
malfunction is stored in the order as the malfunction is detected.
These data are not updated.
Shown in the table below are examples of how freeze frame data
are stored when two or more malfunctions are detected.
FRAME 1
FREEZE FRAME
DATA
to be updated
No freeze frame data
Data at P0400 Data at P0400
detection detection
Data at P0171 Data at P0400
detection detection
Data at P0171 Data at P0400
detection detection
Data at P0171 Data at P0400
detection 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 (1) is in compliance with SAEJ1962 in its installation position,
SUZUKI serial
data line
the shape of connector and pin assignment.
Serial data line (K line of ISO 9141) is used for SUZUKI scan tool
(Tech-1) or generic scan tool to communicate with ECM.
SUZUKI serial data line is used for SUZUKI scan tool (Tech-1) to
Body ground
communicate with immobilizer control module.
FRAME 2 FRAME 3
1st FREEZE 2nd FREEZE
FRAME DATA 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