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 MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 841 (CRUISE CONTROL SYSTEM - DIAGNOSIS)
2004 Toyota Matrix XR, FWD, Standard
Section 841 (Cruise Control System - Diagnosis)
2004 Toyota Matrix XR, FWD, StandardSECTION Section 841 (Cruise Control System - Diagnosis)
WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
- How To Proceed With Troubleshooting
- Customer Problem Analysis Check
- Pre-Check
- Diagnostic Trouble Code Chart
- Parts Location
- Terminals Of Ecu
- Problem Symptoms Table
- Circuit Inspection
- Notes
- DTC P0500/21: Vehicle Speed Sensor "A"; DTC P0503/23: Vehicle Speed Sensor "A" Intermittent/Erratic/High
- DTC P0571/52: Brake Switch "A" Circuit
- DTC P0607/54: Control Module Performance
- DTC P1570/73: Laser Radar Sensor Malfunction
- DTC P1572/75: Improper Aiming Of Laser Radar Sensor Beam Axis
- DTC P1575/66: Warning Buzzer Malfunction
- DTC P1576/67: Steering Angle Sensor Malfunction
- DTC P1577/68: Yaw Rate Sensor Malfunction
- DTC P1578/69: Brake System Malfunction
- DTC P1615/61: Communication Error From Distance Control ECU To ECM
- DTC P1616/62: Communication Error From ECM To Distance Control ECU
- DTC P1617/63: Distance Control ECU Malfunction
- DTC U9235/71: Communication Error 1 From Laser Radar Sensor to Distance Control ECU
- DTC U0235/72: Communication Error 2 From Distance Control ECU to Laser Radar Sensor
- DTC U0122/64: Communication Error From Skid Control ECU to ECM
- DTC U0100/65: Communication Error From ECM to Skid Control LEGU
- CRUISE MAIN Indicator Light Circuit
- Cruise control Switch Circuit
- Distance control ECU Power source circuit
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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.