Data Link Connector (Dlc) Description; Engine And Emission Control System Description - Suzuki SX4 Service Manual

1A-8 Engine General Information and Diagnosis:
For information about the following items, refer to "Euro
OBD model: ".
• Warm-up cycle
• Driving cycle
• 2 driving cycle detection logic
• Pending DTC

Data Link Connector (DLC) Description

NOTE
There are two types of OBD system
depending on the vehicle specification.
For identification, refer to "Precaution on On-
Board Diagnostic (OBD) System".
DLC (1) is in compliance with SAE J1962 in the shape of
connector and pin assignment.
OBD CAN Hi line (6) and Low line (3) (CAN line of ISO
15765-4) are used for SUZUKI scan tool (SUZUKI-SDT)
(7) or CAN communication OBD generic scan tool to
communicate with ECM (included in immobilizer control)
and TCM (Transmission Control Module) (for A/T
model).
2
3
16 15 14
8 7 6
1
1
2. B + (Unswitched vehicle battery positive)
4. ECM ground (Signal ground)
5. Vehicle body ground (Chassis ground)
S7RW0A1101004
13 12 11 10 9
5 4 3 2 1
6 5
4
7
I7RW01110092-01
Engine and Emission Control System
Description
The engine and emission control system is divided into 4
major sub-systems: air intake system, fuel delivery
system, electronic control system and emission control
system.
Air intake system includes air cleaner, throttle body and
intake manifold.
Fuel delivery system includes fuel pump, delivery pipe,
etc.
Electronic control system includes ECM, various sensors
and controlled devices.
Emission control system includes EGR, EVAP and PCV
system.
S7RW0A1101005