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.
2007 Mazda 3 L4-2.3LFACTORY OEM SERVICE PROCEDURE
Cruise Control Switch: Testing and Inspection
CRUISE CONTROL SWITCH INSPECTION[LF, L3]
1. Remove the battery cover.
2. Disconnect the negative battery cable.
3. Remove the driver-side air bag module.
4. Disconnect the audio control switch connector.
5. Inspect for resistance and continuity between cruise control switch terminals A-B using a tester.
- If not as specified, replace the cruise control switch.
Circuit Open/Short Inspection
1. Disconnect the PCM connector.
2. Disconnect the cruise control switch connector.
3. Inspect the following wiring harnesses for an open or short circuit. (Continuity inspection)
Open circuit
- If there is no continuity in the following wiring harnesses, there is an open circuit. Repair or replace the wiring harness.
- Cruise control switch terminal A and PCM terminal 1AQ*1, 1AD*2
- Cruise control switch terminal B and body ground
Short circuit
- If there is continuity in the following wiring harnesses, there is a short circuit. Repair or replace the wiring harness.
- Cruise control switch terminal A and body ground
- Cruise control switch terminal B and power supply
*1. California emission regulation applicable model and except for California emission regulation applicable model with LF MTX, L3
*2. Except for California emission regulation applicable model with LF ATX
1. Remove the battery cover.
2. Disconnect the negative battery cable.
3. Remove the driver-side air bag module.
4. Disconnect the audio control switch connector.
5. Inspect for resistance and continuity between cruise control switch terminals A-B using a tester.
- If not as specified, replace the cruise control switch.
Circuit Open/Short Inspection
1. Disconnect the PCM connector.
2. Disconnect the cruise control switch connector.
3. Inspect the following wiring harnesses for an open or short circuit. (Continuity inspection)
Open circuit
- If there is no continuity in the following wiring harnesses, there is an open circuit. Repair or replace the wiring harness.
- Cruise control switch terminal A and PCM terminal 1AQ*1, 1AD*2
- Cruise control switch terminal B and body ground
Short circuit
- If there is continuity in the following wiring harnesses, there is a short circuit. Repair or replace the wiring harness.
- Cruise control switch terminal A and body ground
- Cruise control switch terminal B and power supply
*1. California emission regulation applicable model and except for California emission regulation applicable model with LF MTX, L3
*2. Except for California emission regulation applicable model with LF ATX
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.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.