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9 CHECK HO2S2 (REAR) SHIELD CIRCUIT FOR OPEN AND SHORT 1. Turn ignition switch “OFF”. I Continuity between joint connector terminal 1 and ground I Joint connector Continuity should exist. 4. Also check harness for short to power. OK or NG OK © GO TO 10. NG © Repair open circuit or short to power in harness or connectors. 10 CHECK INTERMITTENT INCIDENT Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-144. © INSPECTION END GI MA EM LC FE AT AX SU BR ST RS BT HA SC EL IDX DTC P0137 (BANK 1), P0157 (BANK 2) HO2S2 (REAR) (MIN. VOLTAGE MONITORING) Diagnostic Procedure (Cont’d) EC-255 |