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 Toyota Corolla Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Cruise Control Systems DTCS
CRUISE CONTROL SYSTEMS DTCS
| OEM Code | Test Procedures | Description | ||||||
|---|---|---|---|---|---|---|---|---|
| 11 | 12316(2) | Continuous Output To Actuator Motor Acceleration Side | ||||||
| 11 | 12316(2) | Overcurrent (Short) In Motor Circuit | ||||||
| 12 | 123716(2) | Open In Magnetic Clutch Circuit For 0.8 Second | ||||||
| 12 | 1237716(2) | Overcurrent (Short) In Magnetic Clutch Circuit | ||||||
| 13 | 12316(2) | Actuator Position Sensor Detects Abnormal Voltage | ||||||
| 14 | 12316(2) | Open In Actuator Motor Circuit | ||||||
| 14 | 12316(2) | Position Sensor Signal Value Does Not Change When Motor Operates | ||||||
| 21 | 416(2) | Speed Sensor Signal Is Not Input To CC ECU | ||||||
| 23 (3) | 416(2) | Vehicle Speed Decreased 10 MPH Or More Below Speed Set During Cruise Control Operation | ||||||
| 32 | 5616(2) | Short In Cruise ON-OFF (Main) Switch Circuit | ||||||
| 34 | 5616(2) | Abnormal Voltage In Cruise ON-OFF (Main) Switch | ||||||
| 41 | 16(2) | Faulty Cruise Control ECU | ||||||
| 42 | 1213 | Source Voltage Drop | ||||||
| 43 | 12316(2) | Faulty Actuator Motor Circuit Or Actuator Magnetic Clutch Circuit | ||||||
| Normal | None | Indicator Light Flashes On & Off | ||||||
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Factory Service Tools
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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.
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