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.

SYS.OK|MANUAL.DB● LIVE

HOMESERVICE MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTGAUGES & INSTRUMENT PANELSINSTRUMENTATION/DRIVER INFOINSTRUMENT CLUSTER INPUT/OUTPUT CHECK MODEINSPECTION OF CHECK CODESCHECK CODE 58

2008 Mazda 6 s Sport, 4D Hatchback, Standard

Check code 58

2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Check code 58

CHECK CODE 58 REFERENCE (BUCKLE (PASSENGER'S SIDE) SWITCH)

Check code 58	Buckle (passenger's side) switch on/off signal

CHECK CODE 58 DIAGNOSTIC PROCEDURE

STEP	INSPECTION	ACTION
1	Seat one person in the passenger's seat, and unfasten passenger-side seat belt. (Seat weight sensor and buckle switch ON)	Go to next step.
1		Measure voltage at instrument cluster terminal 1 A. Is voltage 0 V? If as specified, replace instrument cluster. If not as specified, inspect following parts. Buckle switch (passenger's side) Seat weight sensor control module Seat weight sensor SAS control module Wiring harness (Buckle switch (passenger's side)-SAS control module, seat weight sensor-Seat weight sense control module-SAS control module)
2	Seat one person in the passenger's seat, and fasten passenger-side seat belt. (Seat weight sensor ON and buckle switch OFF) Seat no person in the passenger's seat, and unfasten passenger-side seat belt. (Seat weight sensor OFF and buckle switch ON) Seat no person in the passenger's seat, and fasten passenger-side seat belt. (Seat weight sensor and buckle switch OFF)	Measure voltage at instrument cluster terminal 1 A. Is voltage B+? If as specified, replace instrument cluster. If not as specified, inspect following parts. Buckle switch (passenger's side) Seat weight sensor control module Seat weight sensor SAS control module Wiring harness (Buckle switch (passenger's side)-SAS control module, seat weight sensor-Seat weight sense control module-SAS control module)
2		Input signal to instrument cluster is okay.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

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.

Shop Manual-Ready Tools Free Quote Check Quote Shield Pro

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.