Nissan Maxima A33 (1999-2006) audio unit Wiring diagrams

1 11 9 19 CAN-H CAN-L TX RX 14 16 12 13 11 CAN-H CAN-L SHIELD BUS - BUS + 22 21 UNIFIED METER CONTROL UNIT 25 23 21 SHIELD AUDIO RX AUDIO TX 29 30 28 25 26 33 34 32 SHIELD BUS - BUS + CAN-H CAN-L BUS SHIELD BUS - BUS + 3 19 CAN-H CAN-L 3 4 5 6 CAN-H CAN-L CAN-H CAN-L 30 31 SSS IN (RX) SSS OUT (RX) 39 40 CAN-H CAN-L 4 5 CAN H CAN L 48 49 CAN-H CAN-L 6 8 7 BUS+ BUS- SHIELD 85 94 86 K-LINE CAN-H CAN-L 9 8 10 SHIELD AUDIO TX AUDIO RX ABS ACTUATOR, ELECTRIC UNIT (CONTROL UNIT) (AT RIGHT REAR OF ENGINE COMPT) ABS/TCS CONTROL UNIT AIR BAG DIAGNOSIS SENSOR UNIT (UNDER REAR OF FLOOR CENTER CONSOLE) AUDIO UNIT AV SWITCH BLK WIRE BLU (OR PPL) WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BODY CONTROL MODULE (BCM) (NEAR FUSE BLOCK (J/B)) BRN WIRE BRN/YEL WIRE COMBINATION METER CPU IPDM E/R (AT RIGHT FRONT OF ENGINE COMPT) DATA LINK CONNECTOR (LOWER LEFT SIDE OF DASH) DIAG-K CAN-H CAN-L DISPLAY CONTROL UNIT (BEHIND CENTER OF DASH) DISPLAY UNIT DRIVER SEAT CONTROL UNIT ENGINE CONTROL MODULE (ECM) (BEHIND RIGHT SIDE OF DASH) FUSE 12 FUSE 19 FUSE BLOCK (J/B) (BEHIND LEFT SIDE OF DASH) GRN WIRE HOT AT ALL TIMES HOT IN ON OR START K LINE LEFT REAR POWER WINDOW SWITCH (W/ FRONT, REAR POWER WINDOW ANTI-PINCH SYSTEM) LT GRN WIRE MAIN POWER WINDOW, DOOR LOCK/UNLOCK SWITCH NAVI CONTROL UNIT (BEHIND CENTER OF DASH) NCA WIRE PNK WIRE PNK/BLU WIRE POWER WINDOW SERIAL LINK PPL RED OR LT GRN WIRE RED WIRE RIGHT FRONT POWER WINDOW SWITCH RIGHT REAR POWER WINDOW SWITCH SHIELD BUS - BUS + PNK WIRE STEERING ANGLE SENSOR (ON STEERING COLUMN) TRANSMISSION CONTROL MODULE (TCM) (BEHIND RIGHT SIDE OF DASH) UNIFIED METER, A/C AMPLIFIER (BEHIND CENTER OF DASH) W/ NAVIGATION W/O NAVIGATION W/O VDC W/ VDC YEL WIRE YEL/GRN WIRE YEL/RED WIRE

1 11 CAN H CAN L 1 2 3 4 5 6 7 8 9 10 +B PPL 11 12 13 14 15 16 17 18 19 20 21 22 23 24 BUS+ SHIELD BUS- CAN-H 21 22 26 29 30 BATT IGN 8 P GND (POWER) GND 23 25 21 RX SHIELD TX 6 7 8 BUS+ SHIELD BUS- AUDIO UNIT AV SWITCH BLK WIRE BLU WIRE BRN WIRE CAN L CAN-H- CAN-L- COMPUTER DATA LINES SYSTEM CPU TAIL/L RLY DISPLAY UNIT FUSE 12 FUSE 19 FUSE 3 FUSE 41 FUSE 6 FUSE BLOCK (J/B) (BEHIND LEFT SIDE OF DASH) GND SPEED AUDIO TX SHIELD AUDIO RX GRN WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START IGN ILL NCA WIRE PPL RED WIRE RED/BLU WIRE TAIL LAMP RELAY UNIFIED METER, A/C AMPLIFIER (BEHIND CENTER OF DASH) YEL WIRE YEL/RED WIRE

31 23 LIGHT - LIGHT + 9 19 11 1 TX (COMB METER) RX (COMB METER) CAN-L CAN-H A/T DEVICE (UNDER CENTER CONSOLE) AUDIO UNIT AV SWITCH BLK WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/YEL WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM FUSE 14 FUSE 19 FUSE BLOCK (J/B) (BEHIND LEFT SIDE OF DASH) GLOVE BOX LAMP) HAZARD SWITCH HEATED STEERING WHEEL SWITCH (W/ HEATED STEERING HOT AT ALL TIMES HOT IN ON OR START ILLUMINATION CONTROL SWITCH INTERIOR ROOM LAMP (CONSOLE BOX ILLUM) LEFT FRONT HEATED LEFT REAR HEATED SEAT SWITCH ODO/TRIP METER ILLUMINATION ORG/ WIRE REAR SUNSHADE FRONT SWITCH (IF EQUIPPED) REAR SUNSHADE REAR SWITCH (IF EQUIPPED) RED WIRE RED/BLU WIRE RED/YEL WIRE RIGHT FRONT HEATED SEAT SWITCH (IF EQUIPPED) RIGHT REAR HEATED SEAT SWITCH SEAT SWITCH (IF EQUIPPED) TCS ON/OFF SWITCH (W/ TCS) UNIFIED METER CONTROL UNIT UNIFIED METER, A/C AMPLIFIER (A/C SWITCH) (BEHIND CENTER OF DASH) VDC ON/OFF SWITCH (W/ VDC) WHT WIRE YEL WIRE

AUDIO UNIT AV SWITCH BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE BUS - BUS GND BUS+ BUS SHIELD BUS- COMBINATION SWITCH (SPIRAL CABLE) COMPUTER DATA LINES SYSTEM DCU-DSP DCU-DSP DSP SHIELD DSP-DCU AUDIO SHIELD DCU-AUDIO SYNC GND AUDIO-DCU RGB SYNC DISPLAY CONTROL UNIT (BEHIND CENTER OF DASH) DISPLAY UNIT DOWN UP DSP-DCU FRSP LH (+) GRN WIRE GRN/WHT WIRE HP RGB SYNC IGN ILL ILL CONT INV GND INV VCC LT GRN WIRE NCA WIRE OFF ON OFF PNK WIRE PNK/BLU WIRE POWER SWITCH MODE SWITCH PPL PPL 6 7 8 9 10 11 12 13 PPL BUS (+) BUS SHIELD BUS (-) RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RGB GND RGB SYNC SEEK SWITCH SHIELD SIGN GND SIGN VCC SOUND SYSTEMS SPEED STEERING WHEEL AUDIO CONTROL SWITCHES STRG SW A STRG SW C SW B STRG SYNC GND VOICE VOLUME SWITCH WHT WIRE YEL WIRE

+B IGN ILL GND TX AUDIO RX AUDIO SHIELD CAN-H CAN-L 12 11 13 2 1 3 4 6 10 8 9 14 16 SHIELD BUS + BUS - 21 22 23 25 34 35 36 TX AUDIO 41 42 43 44 45 L (-) L (+) R (-) R (+) EARTH (SIG) 46 47 48 DATA EARTH 49 50 51 52 RX TX ANTENNA AMPLIFIER (BEHIND CENTER OF DASH) ANTENNA ANTENNA AUDIO UNIT AV SWITCH BACKUP BLK WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMBINATION SWITCH (SPIRAL CABLE) COMPUTER DATA LINES SYSTEM DISPLAY UNIT DN SEEK SWITCH FEEDER CABLE FUSE 12 FUSE 3 FUSE 4 FUSE BLOCK (J/B) (BEHIND LEFT SIDE OF DASH) FUSE 6 FUSE, FUSIBLE LINK BOX (AT LEFT FRONT OF ENGINE COMPT) FUSE 31 GND BUS - BUS + SHIELD GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START LATE PRODUCTION LEFT FRONT DOOR SPEAKER LEFT REAR DOOR SPEAKER LEFT SUBWOOFER LEFT TWEETER LR SP (-) LR SP (+) RR SP (-) RR SP (+) MODE SWITCH NCA WIRE ORG/ WIRE PNK WIRE POWER SWITCH PPL RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE REQ+ RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER RIGHT SUBWOOFER RIGHT TWEETER RX AUDIO SHIELD SATELLITE RADIO TUNER (PRE-WIRING) STEERING WHEEL AUDIO CONTROL SWITCHES SUBWOOFER AMPLIFIER (AT LEFT "C" PILLAR) TXD RXD VOLUME SWITCH DN UP WHT WIRE WHT/BLK WIRE WINDOW ANTENNA WOOFER 2 (-) YEL WIRE

10 16 PPL 12 13 11 2 SHIELD BUS - BUS + 21 22 23 25 34 35 36 TX AUDIO SPEED SIG RX AUDIO SHIELD 29 30 28 SHIELD BUS - BUS + 41 42 43 44 45 L (-) L (+) R (-) R (+) EARTH (SIG) 46 47 48 DATA EARTH 49 50 51 52 RX TX ANTENNA AMPLIFIER (BEHIND CENTER OF DASH) ANTENNA ANTENNA AUDIO UNIT BACKUP BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLU (OR PPL) WIRE BLU WIRE BLU/ORG WIRE BRN WIRE DISPLAY CONTROL UNIT (BEHIND CENTER OF DASH) DISPLAY UNIT FEEDER CABLE FUSE 31 FUSE 6 FUSE BLOCK (J/B) (BEHIND LEFT SIDE OF DASH) FUSE, FUSIBLE LINK BOX (AT LEFT FRONT OF ENGINE COMPT) GRN WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ACC OR ON LATE PRODUCTION LT GRN WIRE NCA WIRE PPL PPL 10 8 9 TX AUDIO RX AUDIO SHIELD PPL 42 40 39 AUD DCU DCU AUD AUD SHIELD RED OR LT GRN WIRE RED WIRE RED/BLU WIRE RED/YEL WIRE REQ+ SATELLITE RADIO TUNER (PRE-WIRING) (LATE PRODUCTION) SPEED TXD RXD UNIFIED METER, A/C AMPLIFIER (BEHIND CENTER OF DASH) W/ NAVIGATION W/O NAVIGATION WHT WIRE WINDOW ANTENNA YEL WIRE