RAM Pickup 2500 (2011-2012) a/c press snsr fd Wiring diagrams

1 2 3 4 AUTO HEADLAMPS SIG SUN SENSOR SIG 1 SUN SENSOR SIG 2 SENSOR GROUND 1 3 2 A/C PRESS SNS RTN A/C PRESS SIG A/C PRESS SNSR FD 1 4 3 IGN R SNSR IR RTN SNSR IR SIG 10 9 34 35 BATT FD GND CAN BUS (+) CAN BUS (-) 27 20 SENS GND ECT SIG 4 2 3 1 BLWR MTR HI DRV FT BLW FD BLWR CTRL GND A/C CLUTCH COIL A/C COMPRESSOR CLUTCH A/C HEATER CONTROL A/C PRESS A/C PRESS SIG A/C PRESS SNSR FD AC CLUTCH FD B(+) BLK WIRE BLK/LT BLU WIRE BLK/LT GRN WIRE BLK/TAN WIRE BLOWER MODULE BLOWER MOTOR (BOTTOM RIGHT SIDE OF HVAC UNIT) BLOWER MOTOR RELAY BRN WIRE BRN/LT BLU WIRE BRN/ORG WIRE CAN 2 BUS (-) CAN IHS BUS (-) CAN IHS BUS (+) IOD FD IGN R CIRCUIT BOARD CLUTCH A/C COIL COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/DK GRN WIRE DK BLU/GRY WIRE DK BLU/LT BLU WIRE DK BLU/LT GRN WIRE DK BLU/ORG WIRE DK BLU/PNK WIRE DK BLU/RED WIRE DK BLU/TAN WIRE DK BLU/WHT WIRE DK BLU/YEL WIRE DK GRN WIRE DK GRN/DK BLU WIRE DRIVER BLEND DOOR ACTUATOR (ON HVAC UNIT) ENGINE CONTROLS SYSTEM EVAP SIG EVAP SNSE RTN EVAPORATOR TEMPERATURE SENSOR (TOP CENTER OF HVAC UNIT) FRONT MODE DOOR ACTUATOR 1 (LEFT SIDE OF HVAC UNIT) FUSE HOT AT ALL TIMES HOT W/ RUN RELAY ENERGIZED INFRARED SENSOR (FRONT CENTER OF ROOF) LOW SPD RAD FAN LT BLU WIRE LT BLU/BRN WIRE LT BLU/ORG WIRE LT BLU/RED WIRE LT GRN WIRE MODE DOOR ACTUATOR 2 (LEFT SIDE OF HVAC UNIT) NAVIGATION SYSTEM ORG/ WIRE PASSENGER BLEND DOOR ACTUATOR PNK/YEL WIRE POWERTRAIN CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) RAD FAN RLY COIL SIG RADIATOR FAN RADIATOR FAN LOW RELAY RADIATOR FAN RELAY RECIRCULATION DOOR ACTUATOR (RIGHT SIDE OF HVAC UNIT) RED WIRE RED/BRN WIRE RED/WHT WIRE RR CTRL BLW SW FD SNS RTN SUN SENSOR (TOP CENTER OF DASH) TAN WIRE TOTALLY INTEGRATED POWER MODULE (LEFT FRONT OF ENGINE COMPT) TRANSDUCER) VIO/LT BLU WIRE VIO/ORG WIRE WHT/GRY WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/ORG WIRE WHT/VIO WIRE

27 20 SENS GND ECT SIGNAL 9 10 34 35 GND BATT FD CAN BUS (+) CAN BUS (-) A/C PRESS A/C PRESS SIG A/C PRESS SNS RTN A/C PRESS SNSR FD A/C PRESSURE TRANSDUCER (RIGHT FRONT OF ENGINE COMPT) B(+) BLK WIRE BLK/LT BLU WIRE BRN/LT BLU WIRE BRN/ORG WIRE CAN 2 BUS (-) COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/DK GRN WIRE DK GRN DK BLU/ WIRE DK GRN WIRE DK GRN/DK BLU WIRE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUSE FUSE FUSE HOT AT ALL TIMES HOT W/ RUN RELAY ENERGIZED LOW SPD SIG LT BLU/BRN WIRE LT BLU/ORG WIRE POWERTRAIN CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) RAD FAN RADIATOR FAN RADIATOR FAN LOW RELAY RADIATOR FAN RELAY RED WIRE RED/BRN WIRE RLY COIL SIG SNS RTN SNSR FD TOTALLY INTEGRATED CIRCUIT BOARD POWER MODULE (LEFT FRONT OF ENGINE COMPT) VIO/ORG WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 GND 1 2 3 4 5 LOW 1 2 SENS GND SENS SIG 10 34 35 9 BATT FD C BUS (+) C BUS (-) GND 27 20 ECT SIG SENS GND A/C CLUTCH COIL A/C COMPRESSOR CLUTCH A/C HEATER CONTROL A/C PRESS SIG A/C PRESS SNSE RTN A/C PRESS SNSR FD A/C PRESSURE TRANSDUCER (RIGHT FRONT OF ENGINE COMPT) AC CLUTCH FD ACT COM 2 ACT FLR DFRST AUTO HDLP SIG B(+) BLK WIRE BLK/LT BLU WIRE BLK/LT GRN WIRE BLK/TAN WIRE BLOWER MOTOR (BOTTOM RIGHT SIDE OF HVAC UNIT) BLOWER MOTOR RELAY BLOWER MOTOR RESISTOR (ON BLOWER MOTOR) BRN/LT BLU WIRE BRN/ORG WIRE CAN 2 BUS (-) CIRCUIT BOARD COMPUTER DATA LINES SYSTEM DK BLU WIRE DK BLU/BRN WIRE DK BLU/DK GRN WIRE DK BLU/GRY WIRE DK BLU/LT BLU WIRE DK BLU/LT GRN WIRE DK BLU/ORG WIRE DK BLU/PNK WIRE DK BLU/RED WIRE DK BLU/TAN WIRE DK BLU/VIO WIRE DK BLU/YEL WIRE DK GRN/DK BLU WIRE DRIVER BLEND DOOR ACTUATOR (ON HVAC UNIT) ENGINE CONTROLS SYSTEM EVAP SIG EVAP SNSE RTN EVAP SNSE RTN EVAP SNSE RTN AUTO HDLP SIG EVAPORATOR TEMPERATURE SENSOR (TOP CENTER OF HVAC UNIT) FRONT MODE DOOR ACTUATOR (LEFT SIDE OF HVAC UNIT) FUSE FUSE FUSE FUSE HOT AT ALL TIMES HOT W/ RUN RELAY ENERGIZED IOD FD IGN R LOW SPD SIG RAD FAN LT BLU/BRN WIRE LT BLU/ORG WIRE LT BLU/RED WIRE MODE DOOR ACTUATOR 2 (LEFT SIDE OF HVAC UNIT) PNK/YEL WIRE POWER MODULE (LEFT FRONT OF ENGINE COMPT) POWERTRAIN CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) RADIATOR FAN RADIATOR FAN LOW RELAY RADIATOR FAN RELAY RCRC ACT DR ACT COM ACT TEMP(DRIV) ACT FLR/PNL RECIRCULATION DOOR ACTUATOR (RIGHT SIDE OF HVAC UNIT) RED WIRE RED/BRN WIRE RED/WHT WIRE RLY COIL SIG RAD FAN RR CTRL BLW SW FD SNS FD A/C PRESS SNSE RTN A/C PRESS SUN SENSOR (TOP CENTER OF DASH) TOTALLY INTEGRATED VIO/ORG WIRE WHT/GRY WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/ORG WIRE WHT/VIO WIRE

1 2 3 4 5 6 DSL HIGH SIDE DRVR RTN ENG CTRL COM SNSR RTN RAD FAN MTR SPD SIG 30 53 17 DSL HIGH SIDE DRVR RTN ENG CTRL COM SNSR RTN 4 RAD FAN MTR SPD SIG A/C PRESS PRESS SNS SIGNAL RTN A/C PRESS SIG A/C PRESS SNSE RTN A/C PRESS SNSR FD A/C PRESSURE TRANSDUCER (RIGHT FRONT OF ENGINE COMPT) BLK WIRE BLK/LT BLU WIRE BRN/LT BLU WIRE BRN/ORG WIRE BRN/PNK WIRE BRN/WHT WIRE BUS (-) CAN COMPUTER DATA LINES SYSTEM DK BLU/GRY WIRE DK BLU/PNK WIRE ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (TOP FRONT OF ENGINE) FUSE HALL EFCT ELECN ENG SPD OUT HALL EFCT ELECN ENG SPD OUT ENG CTRL COM SNSR RTN 2 COOL TEMP SNSR SIG HOT AT ALL TIMES HOT W/ RUN RELAY ENERGIZED IGN ULK/RUN/STRT 16 33 6 LT BLU/BRN WIRE LT BLU/ORG WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (RIGHT REAR OF ENGINE COMPT) PRESS SNS FD RAD FAN LOW SPD SIG RADIATOR DRIVER FAN RADIATOR FAN LOW RELAY RUN/START TOTALLY INTEGRATED CIRCUIT BOARD POWER MODULE (LEFT FRONT OF ENGINE COMPT) VIO/ORG WIRE WHT/DK BLU WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE

3 4 5 6 7 8 9 10 11 12 13 14 15 16 HOOD AJAR SW SIG 48 49 50 RT TTOW RLY CTRL LT RR TRN SIG FD RT RR TRN SIG FD A/C PRESS SNSR FD ABMT TEMP/FCM ABMT TEMP/FCM SSR RTN SNSR ABMT TEMP SIG ADJ PED SW FD FUEL LVL SNSR RTN IGN RUN ACC IGN RUN ACC AIR CONDITIONING SYSTEM AMBIENT AIR TEMPERATURE SENSOR (LEFT FRONT OF ENGINE COMPT) AMBT TEMP SIG ANTI-LOCK BRAKES SYSTEM B(+) BATTERY BLK/LT BLU WIRE BLK/LT GRN WIRE BRN WIRE BRN/GRY WIRE BRN/LT BLU WIRE BRN/ORG WIRE BRN/TAN WIRE BRN/YEL WIRE CAN BUS DIAG (+) CAN BUS DIAG (-) CAN IHS BUS (+) CAN IHS BUS (-) CGR LGTR BATT FD CLSTR/CHMSL BATT FD BATT FD MOD FSED BATT FD COMPUTER DATA LINES SYSTEM COOLING FANS SYSTEM COOLING FANS SYSTEM COOLING FANS SYSTEM DK BLU WIRE DK BLU/DK GRN WIRE DK BLU/PNK WIRE DK BLU/WHT WIRE DK GRN/RED WIRE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS, ANTI-THEFT SYSTEMS DR AJAR LT RR SIG DR AJAR RT RR SIG ENGINE COMPT) EXTERIOR LIGHTS SYSTEM AIR CONDITIONING SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM ENGINE CONTROLS SYSTEM WIPER/WASHER SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM SEATS, MEMORY SYSTEMS WARNING SYSTEMS FRONT WASHER FLUID LEVEL SENSOR FT LT DR ULK FT RT DR ULK IOD FD GRY/LT BLU WIRE GRY/YEL WIRE HDLP RT RTN HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM HOOD AJAR SWITCH HORN DRV 2 FT WSH MTR CTRL HORN DRV RT HI BEAM FD HORNS SYSTEM HEADLIGHTS SYSTEM HORNS SYSTEM WIPER/WASHER SYSTEM IGN R BATT FD 6 WDW RUN/ACCY IGN BATT FD LT RR LK IGN R RT RR LK IGN SW FD IGN RUN/ST CTRL OUT INSTRUMENT CLUSTER SYSTEM LH HDLP RTN SIG LO WSH SW SNSE LT BLU WIRE LT BLU/ORG WIRE LT BLU/PNK WIRE LT BLU/RED WIRE LT GRN/GRY WIRE LT GRN/LT BLU WIRE LT GRN/RED WIRE LT GRN/TAN WIRE LT HI BEAM FD RT LO BEAM FD LT TTOW RLY CTRL ORC MOD IGN RUN ONLY IOD FD TO DR NODE-DRV IOD FD TO DR NODE-PASS ORC MOD RUN/STRT IGN DR LK LT FT ORG/RED WIRE PNK/ORG WIRE PNK/TAN WIRE PNK/VIO WIRE PNK/WHT WIRE PNK/YEL WIRE POWER DISTRIBUTION SYSTEM POWER TOPS SYSTEM POWER WINDOWS, DOOR LOCKS, POWER TOPS SYSTEMS PWR ENABLE TO SW RAD FAN MTR FD RADIO OUTLETS IGN FD BATT FD 4 IGN R BATT FD 9 RED WIRE RED/BRN WIRE RED/GRY WIRE RED/LT BLU WIRE RED/LT GRN WIRE RED/ORG WIRE RR WSH CTRL RAD FAN HI RLY RT TRN SIG IND AC PRESS SNSR FD LT TRN SIG IND SEATS SYSTEM ENGINE CONTROLS SYSTEM SSR RTN 1 SUPPLEMENTAL RESTRAINTS SYSTEM DOOR LOCKS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM TAN/DK BLU WIRE TAN/LT GRN WIRE TAN/VIO WIRE TAN/WHT WIRE TOTALLY INTEGRATED POWER MODULE (LEFT FRONT OF TOTALLY INTEGRATED POWER MODULE (LEFT FRONT OF ENGINE COMPT) VIO WIRE VIO/BRN WIRE VIO/GRY WIRE VIO/LT BLU WIRE VIO/LT GRN WIRE VIO/WHT WIRE VIO/YEL WIRE WHT WIRE WHT/BRN WIRE WHT/DK BLU WIRE WHT/DK GRN WIRE WHT/GRY WIRE WHT/LT BLU WIRE WHT/LT GRN WIRE WHT/ORG WIRE WHT/TAN WIRE WHT/YEL WIRE WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM COOLING FANS SYSTEM