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MWI-56 < DTC/CIRCUIT DIAGNOSIS > A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL CIRCUIT A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL CIRCUIT Description INFOID:0000000008459109 A/C auto amp. transmit the A/C auto amp. connection recognition signal to the combination meter. Diagnosis Procedure INFOID:0000000008459110 1. CHECK A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL 1. Turn ignition switch ON. 2. Check voltage between combination meter harness connector terminal and ground. Is the inspection result normal? YES >> INSPECTION END NO >> GO TO 2. 2. CHECK A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect combination meter connector and A/C auto amp. connector. 3. Check continuity between combination meter harness connector terminal and A/C auto amp. harness 4. Check continuity between combination meter harness connector and ground. Is the inspection result normal? YES >> INSPECTION END NO >> Repair harness or connector. Terminals Voltage (Approx.) (+) (-) Combination meter Ground Connector Terminal M34 19 5 V Combination meter A/C auto amp. Continuity Connector Terminal Connector terminal M34 19 M50 34 Existed Combination meter Ground Continuity Connector Terminal M34 19 Not existed Revision: 2012 September 2013 MURANO |