|
|
содержание .. 511 512 513 514 ..
EC-162 < DTC/CIRCUIT DIAGNOSIS > [VQ35DE] P0037, P0038, P0057, P0058 HO2S2 HEATER 2. PERFORM DTC CONFIRMATION PROCEDURE 1. Start engine and warm it up to the normal operating temperature. 2. Turn ignition switch OFF and wait at least 10 seconds. 3. Turn ignition switch ON. 4. Turn ignition switch OFF and wait at least 10 seconds. 5. Start engine and keep the engine speed between 3,500 and 4,000 rpm for at least 1 minute under no load. 6. Let engine idle for 1 minute. 7. Check 1st trip DTC. Is 1st tip DTC detected? YES >> Go to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000009719898 1. CHECK GROUND CONNECTION 1. Turn ignition switch OFF. 2. Check ground connection E38. Refer to Ground Inspection in . Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace ground connection. 2. CHECK HO2S2 POWER SUPPLY CIRCUIT 1. Disconnect heated oxygen sensor 2 (HO2S2) harness connector. 2. Turn ignition switch ON. 3. Check the voltage between HO2S2 harness connector and ground. Is the inspection result normal? YES >> GO TO 4. NO >> GO TO 3. 3. DETECT MALFUNCTIONING PART Check the following. >> Repair open circuit, short to ground or short to power in harness or connectors. 4. CHECK HO2S2 OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check the continuity between HO2S2 harness connector and ECM harness connector. 4. Also check harness for short to ground and short to power. Is the inspection result normal? YES >> GO TO 5. DTC HO2S2 Ground Voltage Bank Connector Terminal P0037, P0038 1 F95 2 Ground Battery voltage P0057, P0058 2 F96 2 DTC HO2S2 ECM Continuity Bank Connector Terminal Connector Terminal P0037, P0038 1 F95 3 F7 13 Existed P0057, P0058 2 F96 3 17 |