|
|
P0031, P0032, P0051, P0052 A/F SENSOR 1 HEATER EC-165 < DTC/CIRCUIT DIAGNOSIS > [VK56DE] C D E F G H I J K L M A EC N P O OK or NG OK >> GO TO 5. NG >> Repair open circuit or short to ground or short to power in harness or connectors. 5. CHECK A/F SENSOR 1 HEATER EC-165, "Component Inspection" OK or NG OK >> GO TO 6. NG >> Replace malfunctioning air fuel ratio (A/F) sensor 1. 6. CHECK INTERMITTENT INCIDENT Perform GI-39, "How to Check Terminal" GI-42, "Intermittent Incident" >> INSPECTION END Component Inspection INFOID:0000000009886556 AIR FUEL RATIO (A/F) SENSOR 1 HEATER 1. Check resistance between A/F sensor 1 terminals as follows. 2. If NG, replace air fuel ratio (A/F) sensor 1. CAUTION: • Discard any A/F sensor which has been dropped from a height of more than 0.5 m (19.7 in) onto a hard surface such as a concrete floor; use a new one. • Before installing new A/F sensor, clean exhaust system threads using Heated Oxygen Sensor Thread Cleaner tool J- 43897-18 or J-43897-12 and approved anti-seize lubricant. Terminal No. Resistance 3 and 4 3 and 1, 2 ∞ Ω (Continuity should not exist) 4 and 1, 2 JSBIA3096GB |