Toyota Corolla X facelift (2010-2013) heater control sub-assembly Wiring diagrams

2 3 1 PR 3 1 2 QUFL A/C AMPLIFIER ASSEMBLY (CENTER OF DASH) A/C BLOWER ASSEMBLY (CENTER OF DASH) A/C EVAPORATOR TEMPERATURE SENSOR A/C PRESSURE SENSOR (RIGHT FRONT OF ALT BLK WIRE BLU WIRE BLU/WHT WIRE BLW BRN WIRE BUS G BUS B BUS SGA TEA CANH CANL SG-2 GND COMPUTER DATA LINES SYSTEM CONNECTOR HOUSING COLOR (BLACK) CONNECTOR HOUSING COLOR (BLUE) CONNECTOR HOUSING COLOR (RED) WIRE COOLER COMPRESSOR ASSEMBLY (LEFT FRONT OF ENGINE) DAMPER SERVO MOTOR (AIR INLET) DAMPER SERVO MOTOR (AIR MIX) DAMPER SERVO MOTOR (AIR VENT MODE) DAYTIME RUNNING LIGHT RELAY (RIGHT SIDE OF DASH) DEFOGGER SYSTEM ECU-IG 2 FUSE ENGINE COMPT) ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B (ENGINE ROOM J/B) FLOQ FUSE GRN WIRE H-LP H-LP RELAY HEATER CONTROL SUB-ASSEMBLY HLS HOT AT ALL TIMES HOT IN ON OR START HOT IN ON OR START INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) HTR FUSE HTR-IG FUSE INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LT BLU WIRE LT GRN WIRE ORG/ WIRE PNK WIRE PRE RDFG RDI FUSE REAR WINDOW DEFOGGER SWITCH RED WIRE SGFL SHORT PIN SOL + STARTING/ CHARGING SYSTEM TS SG-1 SG-4 VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 IG+ SOL+ 2 3 1 PR 3 1 2 QUFL A/C AMPLIFIER ASSEMBLY (CENTER OF DASH) A/C BLOWER ASSEMBLY (CENTER OF DASH) A/C EVAPORATOR TEMPERATURE SENSOR A/C PRESSURE SENSOR (RIGHT FRONT OF ALT ASSEMBLY BLK WIRE BLU WIRE BLU/WHT WIRE BLW BUS G BUS B BUS SGA TEA CANH CANL SG-2 COMPUTER DATA LINES SYSTEM CONNECTOR HOUSING COLOR (BLACK) CONNECTOR HOUSING COLOR (BLUE) CONNECTOR HOUSING COLOR (RED) WIRE DAMPER SERVO MOTOR (AIR INLET) DAMPER SERVO MOTOR (AIR MIX) DAMPER SERVO MOTOR (AIR VENT MODE) DEFOGGER SYSTEM ECU-IG 2 FUSE ENGINE COMPT) ENGINE ROOM R/B (ENGINE ROOM J/B) FLOQ FUSE GRN WIRE GRY WIRE HEATER CONTROL SUB-ASSEMBLY HLS HOT AT ALL TIMES HOT IN ON OR START HTR-IG FUSE INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) LT BLU WIRE LT GRN WIRE PNK TS SG-1 SG-4 WIRE PNK WIRE PRE RDFG REAR WINDOW DEFOGGER SWITCH RED WIRE SGFL SOL + STARTING/ CHARGING SYSTEM TOP OF ENGINE) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

A/C IG+ RDFG AMPLIFIER REAR ASSEMBLY WINDOW (CENTER DEFOGGER OF DASH) SWITCH GND ASSEMBLY (LEFT MIRROR) AUTOMATIC MANUAL A/C A/C BLK WIRE DEF FUSE DEF RELAY ECU-IG 2 FUSE GRN WIRE HEATER CONTROL SUB-ASSEMBLY HOT AT ALL TIMES HOT IN ON OR START HTR-IG FUSE INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) LEFT OUTER REAR VIEW MIRROR LT BLU WIRE MIR HTR FUSE MIRROR ASSEMBLY (RIGHT MIRROR) MIRROR HEATER NOISE FILTER (REAR WINDOW DEFOGGER) (LEFT ``C" PILLAR) ORG/ WIRE RDEF REAR WINDOW DEFOGGER REAR WINDOW DEFOGGER SWITCH RED WIRE RIGHT OUTER REAR VIEW WHT WIRE WHT/BLK WIRE

A/C AMPLIFIER ASSEMBLY AUTOMATIC A/C BLK WIRE BRN WIRE CENTER AIR BAG SENSOR ASSEMBLY COMBINATION METER ASSEMBLY DLC 3 DOOR CONTROL RECEIVER FLASHER RELAY FROM J/B 4 (DIAGRAM 2 OF 3) HAZARD TELLTALE WARNING LIGHT SIGNAL SWITCH ASSEMBLY ASSEMBLY HAZARD WARNING SIGNAL SWITCH ASSEMBLY HEADLIGHT DIMMER SWITCH ASSEMBLY HEATER CONTROL SUB-ASSEMBLY INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 4 (RIGHT SIDE OF DASH) LEFT ECU FRONT 2 4 DOOR LOCK ASSEMBLY LEFT RIGHT OUTER FRONT REAR SEAT HEATER VIEW ASSEMBLY MIRROR ASSEMBLY MAIN BODY ECU MANUAL A/C MAP LIGHT ASSEMBLY NOISE FILTER OCCUPANT DETECTION + OUTER MIRROR SWITCH ASSEMBLY POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY PWR RELAY RELAY ROOM LIGHT ASSEMBLY 1 SEAT HEATER SWITCH SHIFT LOCK CONTROL ECU SUB-ASSEMBLY STEERING SENSOR TELLTALE LIGHT ASSEMBLY TIRE PRESSURE WARNING RESET SWITCH TO J/B 4 (DIAGRAM 2 OF 3) TRANSPONDER KEY ECU ASSEMBLY UNLOCK WARNING SWITCH ASSEMBLY VEHICLE STABILITY CONTROL SWITCH VEHICLE STABILITY SEAT CONTROL HEATER SWITCH SWITCH VIO WIRE W/ RETRACTOR MIRROR W/O DAYTIME RUNNING LIGHT W/O RETRACTOR MIRROR WHT WIRE WHT/BLK WIRE WIND- SHIELD WIPER SWITCH ASSEMBLY YAW RATE SENSOR ASSEMBLY

1 2 PNK WIRE ALT FUSE AUTOMATIC A/C BLK WIRE BRN WIRE CIGARETTE LIGHTER ASSEMBLY ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) GRN WIRE HAZARD WARNING SIGNAL SWITCH ASSEMBLY HEATER CONTROL BASE SUB-ASSEMBLY (MANUAL A/C) HEATER CONTROL SUB-ASSEMBLY HEATER CONTROL SUB-ASSEMBLY (MANUAL A/C) HEATER ILL+ CONTROL SUB- ASSEMBLY ILL- HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM R/B ECU-B FUSE (ENGINE ROOM J/B) INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) J/B 4 (RIGHT SIDE LT GRN WIRE MANUAL A/C MANUAL AUTOMATIC A/C A/C METER FUSE OF DASH) ORG/ WIRE PANEL FUSE PNK WIRE RADIO ILL+ RECEIVER ASSEMBLY ILL- RADIO RECEIVER ASSEMBLY SEAT ILL+ HEATER SWITCH ILL- SPIRAL CABLE SUB-ASSEMBLY (STEERING COLUMN) STEERING PAD SWITCH ASSEMBLY SWG T-LP RELAY TAIL FUSE TELLTALE ILL+ LIGHT ASSEMBLY ILL- TRANSMISSION CONTROL SWITCH (UNDER CENTER CONSOLE) ILL+ VEHICLE STABILITY CONTROL SWITCH VIO WIRE W/ USB W/O USB WHT WIRE WHT/BLK WIRE

1 (2-8 PINS NOT USED) 9 10 11 12 13 14 (15-22 PINS NOT USED) 23 24 1 2 3 4 5 6 7 8 9 10 11 12 13 14 (15-20 PINS NOT USED) 21 22 23 24 25 26 27 28 1 2 5 PNK REC FRS IG+ WIRE 2 4 AIND 3 1 HI 7 3 A/C A/C AMPLIFIER ASSEMBLY (CENTER OF DASH) A/C LED A/C PRESSURE SENSOR (RIGHT FRONT OF ENGINE COMPT) A/C SWITCH ACID AIR INLET CONTROL SWITCH FRS AIR MIX DAMPER SERVO SUB ASSEMBLY (RIGHT SIDE OF DASH) BLK WIRE BLOWER RESISTOR (RIGHT SIDE OF DASH) BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE CANH CANL SG-2 COMPUTER DATA LINES SYSTEM COOLER COMPRESSOR ASSEMBLY (LEFT FRONT OF ENGINE) COOLER THERMISTOR 1 (CENTER OF DASH) DEF-LOGIC A/C+ ECU- IG 1 FUSE ECU-IG 2 FUSE ENGINE ROOM ENGINE ROOM J/B F/D FLOQ FREE FUSE GRN WIRE GRY WIRE H-LP- MAIN FUSE HEAD- LIGHTS SYSTEM HEAT (+) HEATER CONTROL BASE SUB-ASSEMBLY HEATER CONTROL SUB ASSEMBLY 3 HEATER CONTROL SUB-ASSEMBLY HLS ALT HOT AT ALL TIMES HTR FUSE HTR RELAY HTR-IG FUSE INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) INTERIOR LIGHTS LED+ 5 4 LOCK LT GRN WIRE MAX HOT SWITCH ORG/ WIRE PNK REC WIRE PNK WIRE PRE SOL+ IG+ QUFL R/B (ENGINE ROOM J/B) RED WIRE RED/BLK WIRE RELAY ENERGIZED SBLW TE SG-3 GND SGFL SOL + STARTING/ CHARGING SYSTEM SYSTEM TOP OF ENGINE) VIO WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE

1 (2-8 PINS NOT USED) 9 10 11 12 13 14 (15-22 PINS NOT USED) 23 24 14 (15-20 PINS NOT USED) 21 22 23 24 25 26 IG+ 27 28 A/C LED 3 1 HI 7 3 A/C A/C A/C AMPLIFIER ASSEMBLY (CENTER OF DASH) A/C PRESSURE SENSOR (RIGHT FRONT OF ENGINE COMPT) A/C SWITCH 2 4 PNK AIND WIRE ACID AIR INLET CONTROL SWITCH AIR MIX DAMPER SERVO SUB ASSEMBLY (RIGHT SIDE OF DASH) BLK WIRE BLK/ WHT WIRE BLOWER RESISTOR (RIGHT SIDE OF DASH) BLU WIRE BLU/BLK WIRE BLU/WHT WIRE CANH CANL SG-2 COMPUTER DATA LINES SYSTEM COOLER COMPRESSOR ASSEMBLY (LEFT FRONT OF ENGINE) COOLER THERMISTOR 1 (CENTER OF DASH) DEF-LOGIC ECU- IG 1 FUSE ECU-IG 2 FUSE ENGINE ROOM ENGINE ROOM J/B F/D FLOQ FREE FRS FUSE GRN WIRE GRY WIRE H-LP RELAY H-LP- MAIN FUSE HEAD- LIGHTS SYSTEM HEAT (+) HEATER CONTROL BASE SUB-ASSEMBLY HEATER CONTROL SUB ASSEMBLY 3 HEATER CONTROL SUB-ASSEMBLY HLS ALT HOT AT ALL TIMES HTR FUSE HTR RELAY HTR-IG FUSE INSTRUMENT PANEL J/B (LEFT SIDE OF DASH) INTERIOR LIGHTS J/B 4 (RIGHT SIDE OF DASH) LED+ 5 4 7 PNK LOCK REC ILL+ WIRE LT BLU WIRE LT GRN WIRE MAX HOT SWITCH ORG/ WIRE PNK 1 2 5 REC FRS IG+ WIRE PNK WIRE PRE SOL+ QUFL R/B (ENGINE ROOM J/B) RED WIRE RED/BLK WIRE RELAY ENERGIZED SBLW TE SG-3 GND SGFL SOL + STARTING/ CHARGING SYSTEM SYSTEM TOP OF ENGINE) VIO WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE WHT/BLU WIRE YEL WIRE