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AUTOMATIC TRANSMISSION DIAGNOSIS TSB Revision AUTOMATIC TRANSMISSION 23A-377 . CIRCUIT OPERATION • When the A/C is turned ON and the dual pres- sure switch is closed, PCM (terminal number 83) • When the A/C compressor is engaged, the PCM increases line pressure and briefly delays shift . COMMENT . TROUBLESHOOTING HINTS (The most likely • Malfunction of the dual pressure switch • Damaged harness, connector • Malfunction of A/C system • Malfunction of the PCM AC103771 CONNECTOR: C-09 AF C-09 4 2 1 3 AC202442 22 2021 10 9 8 1718 6 7 19 1415 4 5 1112 1 2 3 13 16 CONNECTOR: C-41 C-41 AB PCM 89 88 76 77 87 86 83 84 85 96 80 81 79 78 82 74 71 72 73 75 AC202312 CONNECTOR: C-91 AB C-91 (GR) |