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 Lexus GX 470FACTORY OEM SERVICE PROCEDURE
Engine Control System - DTC P0335 - P0630
- DTC P0335, P0339: Crankshaft Position Sensor "A" Circuit; Crankshaft Position Sensor "A" Circuit Intermittent
- DTC P0340, P0341, P0345, P0346: Camshaft Position Sensor Circuit Malfunction; Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1 or Single Sensor); Camshaft Position Sensor "A" Circuit (Bank 2); Camshaft Position Sensor "A" Circuit Range/Performance (Bank 2)
- DTC P0351, P0352, P0353, P0354, P0355, P0356, P0357, P0358: Ignition Coil "A" Primary/Secondary Circuit; Ignition Coil "B" Primary/Secondary Circuit; Ignition Coil "C" Primary/Secondary Circuit; Ignition Coil "D" Primary/Secondary Circuit; Ignition Coil "E" Primary/Secondary Circuit; Ignition Coil "F" Primary/Secondary Circuit; Ignition Coil "G" Primary/Secondary Circuit; Ignition Coil "H" Primary/Secondary Circuit
- DTC P0412: Secondary Air Injection System Switching Valve "A" Circuit
- DTC P0418: Secondary Air Injection System Control "A" Circuit
- DTC P0420, P0430: Catalyst System Efficiency Below Threshold (Bank 1); Catalyst System Efficiency Below Threshold (Bank 2)
- DTC P043E, P043F: Evaporative Emission System Leak Detection Reference Orifice Low Flow; Evaporative Emission System Reference Orifice High Flow
- DTC P0441: Evaporative Emission Control System Incorrect Purge Flow
- DTC P0450, P0451, P0452, P0453: Evaporative Emission Control System Pressure Sensor Malfunction; Evaporative Emission Control System Pressure Sensor Range/Performance; Evaporative Emission Control System Pressure Sensor/Switch Low Input; Evaporative Emission Control System Pressure Sensor/Switch High Input
- DTC P0455, P0456: Evaporative Emission Control System Leak Detected (Gross Leak); Evaporative Emission Control System Leak Detected (Very Small Leak)
- DTC P0500, P0503: Vehicle Speed Sensor "A"; Vehicle Speed Sensor "A" Intermittent/Erratic/High
- DTC P0504: Brake Switch "A"/"B" Correlation
- DTC P0505: Idle Control System Malfunction
- DTC P050A: Cold Start Idle Air Control System Performance
- DTC P0560: System Voltage
- DTC P0604: Random Access Memory (RAM)
- DTC P0606 ECM/PCM Processor
- DTC P0607: Control Module Performance
- DTC P0617: Starter Relay Circuit High
- DTC P0630: VIN Not Programmed or Mismatch - ECM/PCM
Factory Service Tools
Use the Manual With the Right Hardware
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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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