Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
On-Board Diagnostic System Description
HVAC control module detects malfunction, which may occur in the following area. When HVAC control module detects any malfunction, the A/C indicator lamp (3) flashes on and off for 15 seconds after turning ignition switch to ON position.
- A/C evaporator temperature sensor
- ECT sensor
- Temperature control actuator
- Air flow control actuator
- Temperature selector of HVAC control module
- Blower speed selector of HVAC control module
- Air flow selector of HVAC control module
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 A/C indicator lamp (3) and the REC (recirculation) indicator lamp (4).
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.