On-Board Diagnostic System Description (For Vehicle Without A/C)
HVAC control module (for vehicle without A/C) detects malfunction, which may occur in the following area. When HVAC control module detects any malfunction, the REC (recirculation) indicator lamp (4) flashes on and off continuously after turning ignition switch to ON position.
- ECT sensor
- CMP sensor
- Wheel speed sensor
- Temperature control actuator
- Air flow control actuator
- Air intake control actuator
- Temperature selector of HVAC control module
- Blower speed selector of HVAC control module
- Serial communication line
- CAN communication line
DTC can be checked by either one of the following ways.
- DTC can be checked by using SUZUKI scan tool (2) connected to DLC (1).
- Without using SUZUKI scan tool, DTC can be checked by reading the flashing pattern of both the FRE (fresh) indicator lamp (3) and the REC (recirculation) indicator lamp (4).
- Pressing DEF (defogger) switch (5) alternates display of current DTC and history DTC.
- DEF indicator lamp (6) remains off when display is in current DTC and it lights up when display is in history DTC.