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.
1997 Suzuki Swift StandardFACTORY OEM SERVICE PROCEDURE
Powertrain Control Module (Pcm)
NOTE:
See PIN VOLTAGE CHARTS
article and appropriate wiring diagrams in WIRING DIAGRAMS
article for PCM connector and wire terminal identification.
PCM is located behind glove box. PCM power is sent from main relay to PCM connector "A", terminals No. 2 and 15. PCM backup power is received from fuse box to PCM connector "A", terminal No. 14.
NOTE:
Components are grouped into 2 categories. First category is INPUT DEVICES, which are components that control or produce voltage signals monitored by PCM. Second category is OUTPUT SIGNALS, which are components controlled by PCM.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no 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.