LEMON Manuals: Even more car manuals for everyone
Home >> Acura >> 2012 >> TL SH-AWD, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission) >> System Description >> Electronic Control System >> PCM A/T Control System Inputs and Outputs at PCM connector C (◦) (49P)

PCM A/T Control System Inputs and Outputs at PCM connector C (◦) (49P)

WARNING: This page is about a different variant/trim than selected.
Fig 1: Identifying PCM Connector C (◦) (49P) Connector End View
G08066318Courtesy of AMERICAN HONDA MOTOR CO., INC.
Terminal number Wire color Terminal name Description Signal
C26 RED/BLK ATPN (TRANSMISSION RANGE SWITCH N POSITION) Detects transmission range switch N position signal In N: about 0 V In any position other than N: battery voltage
C27 BLU/BLK OP2SW (TRANSMISSION FLUID PRESSURE SWITCH A (2ND CLUTCH)) Detects transmission fluid pressure switch A (2nd clutch) signal With engine running:
  • Without 2nd clutch pressure: battery voltage
  • With 2nd clutch pressure: about 0 V
C28 BLU/RED SHB (SHIFT SOLENOID VALVE B) Drives shift solenoid valve B With engine running in 1st, 2nd, and 3rd gears: battery voltage With engine running in any gear other than 1st, 2nd, and 3rd: about 0 V
C31 WHT/BLK OP6SW (TRANSMISSION FLUID PRESSURE SWITCH E (6TH CLUTCH)) Detects transmission fluid pressure switch E (6th clutch) signal With engine running:
  • Without 6th clutch pressure: battery voltage
  • With 6th clutch pressure: about 0 V
C33 BLU/YEL TATF(ATF TEMPERATURE SENSOR) Detects ATF temperature signal With ignition switch ON (II)/vehicle in ON mode: about 0.2- 4.0 V (about 1.8 V at operating temperature, depending on ATF temperature)
C35 WHT/BLU OPPLSW (LINE PRESSURE SWITCH) Detects line pressure switch signal With engine running:
  • Without line pressure: battery voltage
  • With line pressure: about 0 V
C37 BLU/YEL OP4SW (TRANSMISSION FLUID PRESSURE SWITCH C (4TH CLUTCH)) Detects transmission fluid pressure switch C (4th clutch) signal With engine running:
  • Without 4th clutch pressure: battery voltage
  • With 4th clutch pressure: about 0 V
C38 BLU/WHT OP3SW (TRANSMISSION FLUID PRESSURE SWITCH B (3RD CLUTCH)) Detects transmission fluid pressure switch B (3rd clutch) signal With engine running:
  • Without 3rd clutch pressure: battery voltage
  • With 3rd clutch pressure: about 0 V
C41 BRN/YEL LG1 (LOGIC GROUND) Ground circuit for PCM Less than 0.2 V at all times
C46 RED ATPS (TRANSMISSION RANGE SWITCH S POSITION) Detects transmission switch S position signal In S: about 0 V In any position other than S: about 5.0 V
scientia non olet · About LEMON Manuals