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.
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HOMESERVICE MANUALSMAZDA20113 MAZDASPEED, 2.3 3REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 76 (CRUISE CONTROL SYSTEM)COMPONENT TESTSCRUISE CONTROL MODULE
2011 Mazda 3 Mazdaspeed, 2.3 3
Cruise Control Module
2011 Mazda 3 Mazdaspeed, 2.3 3SECTION Cruise Control Module
WARNING: This page is about a different car, the 2002 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
- Locate cruise control module below instrument cluster. Leave cruise control module harness connector attached unless otherwise specified.
- Using DVOM, backprobe specified terminals of cruise control module harness connector while performing appropriate test condition. See CRUISE CONTROL MODULE PIN VOLTAGE table. See Fig 1 .
- If voltage measurements or continuity measurements are not as specified, check related components and wiring. See WIRING DIAGRAMS . If related components and wiring are okay, but system is still not functioning properly, replace cruise control module.
CRUISE CONTROL MODULE PIN VOLTAGE
| Terminal (Signal)/Test Condition | Value | |||||
|---|---|---|---|---|---|---|
| A (Actuator Control) | ||||||
| Ignition On, Main Switch On | Battery Voltage | |||||
| Ignition On, Main Switch Off | Less Than 1 Volt | |||||
| B (Actuator Control) | ||||||
| Ignition On, Main Switch On | Battery Voltage | |||||
| Ignition On, Main Switch Off | Less Than 1 Volt | |||||
| C (Actuator Control) | ||||||
| Ignition On, Main Switch On | Battery Voltage | |||||
| Ignition On, Main Switch Off | Less Than 1 Volt | |||||
| D (Indicator Light Output) | ||||||
| Ignition On | Battery Voltage | |||||
| Ignition LOCK Or ACC | Less Than 1 Volt | |||||
| E (IG1) | ||||||
| Ignition On, Main Switch On | Battery Voltage | |||||
| Ignition On, Main Switch Off | Less Than 1 Volt | |||||
| G (PCM O/D Off) | ||||||
| Ignition On | Battery Voltage | |||||
| Ignition LOCK Or ACC | Less Than 1 Volt | |||||
| H (Cruise Brake Switch) | ||||||
| Ignition On, Main Switch On | Battery Voltage | |||||
| Ignition On, Main Switch Off | Less Than 1 Volt | |||||
| I (Data Link Connector) | (1) | |||||
| J (Transmission Range Switch) | ||||||
| Ign. On, Main Sw. On, Not In Park Or Neutral | Battery Voltage | |||||
| Ign. On, Main Sw. Off, In Park Or Neutral | Less Than 1 Volt | |||||
| K (Brake Cruise Switch | ||||||
| Brake Pedal Depressed | Battery Voltage | |||||
| Brake Pedal Released | Less Than 1 Volt | |||||
| L (Cruise Control Switch Position) | ||||||
| Ign. On, Main Sw. On, SET/COAST Sw. Depressed | 2.5 Volts | |||||
| Ign. On, Main Sw. On, RESUME/ACCEL Sw. Depressed | 1.2 Volts | |||||
| Ign. On, Main Sw. On, CANCEL Sw. Depressed | 3.5 Volts | |||||
| Ign On, Cruise Main Held On | 5.4 Volts | |||||
| M (Brakelight Switch) | ||||||
| Brake Pedal Released | Battery Voltage | |||||
| Brake Pedal Depressed | Less Than 1 Volt | |||||
| N (Vehicle Speed Sensor) | ||||||
| Ign. On, Cruise Control Main Switch Held On, Front Tires Rotating | Alternating 0-5 Volts | |||||
| O (Cruise Control Main Switch Input) | ||||||
| Ign. On, Main Sw. Off, | Battery Voltage | |||||
| Ign. On, Main Sw. On | Less Than 1 Volt | |||||
| P (Ground) At All Times | (2) Continuity To Ground | |||||
|
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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.