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DTC P0133, P0153 A/F SENSOR 1 EC-829 < SERVICE INFORMATION > [VK45DE] C D E F G H I J K L M A EC N P O 2. Turn ignition switch ON. 3. Check voltage between A/F sensor 1 terminal 3 and ground with OK or NG OK >> GO TO 8. NG >> GO TO 7. 7. DETECT MALFUNCTIONING PART Check the following. >> Repair or replace harness or connectors. 8. CHECK A/F SENSOR 1 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch OFF. 2. Disconnect ECM harness connector. 3. Check harness continuity between A/F sensor 1 terminal and ECM terminal as follows. 4. Check harness continuity between the following terminals and ground. : Vehicle front 1. A/F sensor 1 (Bank 2) harness con- 2. A/F sensor 1 (Bank 1) harness con- Voltage: Battery voltage PBIB3246E PBIB1683E A/F sensor 1 terminal ECM terminal Bank 1 1 16 2 75 5 35 6 56 Bank 2 1 76 2 77 5 57 6 58 Continuity should exist. |