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B262A, B262B, B2657, B2658 EXHAUST GAS/OUTSIDE ODOR DETECTING SENSOR HAC-83 < DTC/CIRCUIT DIAGNOSIS > [AUTOMATIC AIR CONDITIONING] C D E F G H J K L M A B HAC N O P B262A, B262B, B2657, B2658 EXHAUST GAS/OUTSIDE ODOR DETECT- DTC Logic INFOID:0000000006275918 DTC DETECTION LOGIC NOTE: . • If DTC is displayed along with DTC U1010, first perform the trouble diagnosis for DTC U1010. . DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION PROCEDURE With CONSULT-III 1. Turn ignition switch ON. 2. Select “Self Diagnostic Result” mode of “HVAC” using CONSULT-III. 3. Check DTC. Is DTC detected? YES >> Refer to NO >> INSPECTION END Diagnosis Procedure INFOID:0000000006275919 1. CHECK FUSE 1. Turn ignition switch OFF. 2. Check 10A fuse [No.4, located in fuse block (J/B)] PG-140, "Fuse, Connector and Terminal Arrangement" Is the inspection result normal? YES >> GO TO 2. NO >> Replace the blown fuse after repairing the affected circuit if a fuse is blown. 2. CHECK EXHAUST GAS / OUTSIDE ODOR DETECTING SENSOR POWER SUPPLY 1. Turn ignition switch OFF. 2. Disconnect exhaust gas / outside odor detecting sensor connector. 3. Turn ignition switch ON. 4. Check voltage between exhaust gas / outside odor detecting sensor harness and ground. DTC Items (CONSULT-III screen terms) DTC detection condition Possible cause B262A GAS SENSOR Exhaust gas / outside odor detecting sensor • Exhaust gas / outside odor detect- ing sensor • A/C auto amp. (The sensor circuit is open or short- B262B Exhaust gas / outside odor detecting sensor B2657 CAS SENSOR CIRCUIT Exhaust gas / outside odor detecting sensor B2658 Exhaust gas / outside odor detecting sensor + − Voltage (Approx.) Exhaust gas / outside odor detect- ing sensor Connector Terminal E117 1 Ground Battery voltage |