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Engine Control System (Service Specifications): Other Lexus GX J150

Camshaft Timing Oil Control Valve

Tester ConnectionConditionSpecified Condition
1 - 220°C (68°F)6.9 to 7.9 ohms

Throttle Body

Tester ConnectionConditionSpecified Condition
1 (M-) - 2 (M+)20°C (68°F)0.3 to 100 ohms

Mass Air Flow Meter

Tester ConnectionConditionSpecified Condition
4 (THA) - 5 (E2)20°C (-4°F)12.5 k to 16.9 kohms
20°C (68°F)2.19 k to 2.67 kohms
60°C (140°F)0.50 k to 0.68 kohms

Engine Coolant Temperature Sensor

Tester ConnectionConditionSpecified Condition
1 - 2Approx. 20°C (68°F)2.32 k to 2.59 kohms
Approx. 80°C (176°F)0.310 k to 0.326 kohms

Knock Sensor

Tester ConnectionConditionSpecified Condition
1 - 220°C (68°F)120 to 280 kohms

Air Fuel Ratio Sensor (for Bank 1)

Tester ConnectionConditionSpecified Condition
1 (HA1A) - 2 (+B)20°C (68°F)1.8 to 3.4 ohms

Air Fuel Ratio Sensor (for Bank 2)

Tester ConnectionConditionSpecified Condition
1 (HA2A) - 2 (+B)20°C (68°F)1.8 to 3.4 ohms

Heated Oxygen Sensor (for Bank 1)

Tester ConnectionConditionSpecified Condition
1 (HT1B) - 2 (+B)20°C (68°F)11 to 16 ohms

Heated Oxygen Sensor (for Bank 2)

Tester ConnectionConditionSpecified Condition
1 (HT2B) - 2 (+B)20°C (68°F)11 to 16 ohms

Spark Plug

Recommended spark plugCorrect electrode gap for new spark plugMaximum electrode gap for used spark plugStandard insulation resistance
SK20HR11Correct electrode gap for new spark plug 1.0 to 1.1 mm (0.0394 to 0.0433 in.)1.3 mm (0.0512 in.)10 Mohms or higher