|
|
B27C4, B27C5 A/C UNIT CASE TEMPERATURE SENSOR HAC-147 < DTC/CIRCUIT DIAGNOSIS > [AUTO A/C (WITH HEAT PUMP)] C D E F G H J K L M A B HAC N O P Check continuity between PTC heater outlet air and A/C unit case temperature sensor assembly harness con- nector and ground. Is the inspection result normal? YES >> Replace A/C auto amp. Refer to HAC-187, "Removal and Installation" . NO >> Repair harness or connector. 7. CHECK INTERMITTENT INCIDENT Check intermittent incident. Refer to GI-53, "Intermittent Incident" . Is the inspection result normal? YES >> Replace A/C auto amp. Refer to HAC-187, "Removal and Installation" . NO >> Repair or replace malfunctioning components. Component Inspection INFOID:0000000010121855 1. CHECK A/C CASE UNIT TEMPERATURE SENSOR 1. Remove PTC heater outlet air and A/C unit case temperature sensor assembly. Refer to 2. Check resistance between PTC heater outlet air and A/C unit case temperature sensor assembly termi- nals. Refer to applicable table for the normal value. Is the inspection result normal? YES >> Inspection End. NO >> Replace PTC heater outlet air and A/C unit case temperature sensor assembly. Refer to 198, "Removal and Installation" PTC heater outlet air and A/C unit case temperature sensor as- sembly — Continuity Connector Terminal M138 4 Ground No Terminal Condition Resistance: k Ω Temperature: °C (°F) 3 4 0 (32) 6.00 10 (50) 3.87 20 (68) 2.57 30 (86) 1.76 40 (104) 1.23 60 (140) 0.64 80 (176) 0.36 100 (212) 0.22 |