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.
2016 Lexus LS 600hFACTORY OEM SERVICE PROCEDURE
Service Data [09/2015 - ]
| Camshaft Timing Oil Control Valve | Engine speed while operating the Oil Control Valve (OCV) | Tester Operation | Specified Condition | |
| 0 % | Normal engine speed | |||
| 127 % | Engine idles roughly | |||
| Standard resistance | Tester Connection | Condition | Specified Condition | |
| 1 - 2 | 20°C (68°F) | 6.9 to 7.9 Ω | ||
| Throttle Body | Standard resistance | Tester Connection | Condition | Specified Condition |
| 1 (M-) - 2 (M+) | 20°C (68°F) | 0.3 to 100 Ω | ||
| Mass Air Flow Meter | Standard resistance | Tester Connection | Condition | Specified Condition |
| 1 (THA) - 2 (E2) | -20°C (-4°F) | 13.6 to 18.4 kΩ | ||
| 20°C (68°F) | 2.21 to 2.69 kΩ | |||
| 60°C (140°F) | 0.49 to 0.67 kΩ | |||
| Engine Coolant Temperature Sensor | Standard resistance | Tester Connection | Condition | Specified Condition |
| 1 - 2 | Approximately 20°C (68°F) | 2.32 to 2.59 kΩ | ||
| 1 - 2 | Approximately 80°C (176°F) | 0.310 to 0.326 kΩ | ||
| Knock Sensor | Standard resistance | Tester Connection | Condition | Specified Condition |
| 1 - 2 | 20°C (68°F) | 120 to 280 kΩ | ||
| Air Fuel Ratio Sensor (for Bank 1 Sensor 1) | Standard resistance | Tester Connection | Condition | Specified Condition |
| 1 (HA1A) - 2 (+B) | 20°C (68°F) | 1.6 to 3.2 Ω | ||
| Air Fuel Ratio Sensor (for Bank 2 Sensor 1) | Standard resistance | Tester Connection | Condition | Specified Condition |
| 1 (HA2A) - 2 (+B) | 20°C (68°F) | 1.6 to 3.2 Ω | ||
| Heated Oxygen Sensor (for Bank 1 Sensor 2) | Standard resistance | Tester Connection | Condition | Specified Condition |
| 1 (HT1B) - 2 (+B) | 20°C (68°F) | 5 to 10 Ω | ||
| Heated Oxygen Sensor (for Bank 2 Sensor 2) | Standard resistance | Tester Connection | Condition | Specified Condition |
| 1 (HT2B) - 2 (+B) | 20°C (68°F) | 5 to 10 Ω | ||
| VVT Relay (VVT RH, VVT LH) | Standard resistance | Tester Connection | Condition | Specified Condition |
| 3 - 5 | When no battery voltage is applied to terminals 1 and 2 | 10 kΩ or higher | ||
| 3 - 5 | When battery voltage is applied to terminals 1 and 2 | Below 1 Ω | ||
| Ignition Relay No. 1 (IG1) | Standard resistance | Tester Connection | Condition | Specified Condition |
| 3 - 5 | When no battery voltage is applied to terminals 1 and 2 | 10 kΩ or higher | ||
| 3 - 5 | When battery voltage is applied to terminals 1 and 2 | Below 1 Ω | ||
| Ignition Relay No. 2 (IG2) | Standard resistance | Tester Connection | Condition | Specified Condition |
| 3 - 5 | When no battery voltage is applied to terminals 1 and 2 | 10 kΩ or higher | ||
| 3 - 5 | When battery voltage is applied to terminals 1 and 2 | Below 1 Ω | ||
| EFI Relay (EFI MAIN, EFI MAIN2) | Standard resistance | Tester Connection | Condition | Specified Condition |
| 3 - 5 | When no battery voltage is applied to terminals 1 and 2 | 10 kΩ or higher | ||
| 3 - 5 | When battery voltage is applied to terminals 1 and 2 | Below 1 Ω | ||
| Circuit Opening Relay (C/OPN) | Standard resistance | Tester Connection | Condition | Specified Condition |
| 3 - 5 | When no battery voltage is applied to terminals 1 and 2 | 10 kΩ or higher | ||
| 3 - 5 | When battery voltage is applied to terminals 1 and 2 | Below 1 Ω | ||
| Fuel Pump Relay (F/PMP) | Standard resistance | Tester Connection | Condition | Specified Condition |
| 3 - 4 | When no battery voltage is applied to terminals 1 and 2 | Below 1 Ω | ||
| 3 - 4 | When battery voltage is applied to terminals 1 and 2 | 10 kΩ or higher | ||
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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