2010 Nissan Cube Service & Repair Manual

HAC-1 VENTILATION, HEATER & AIR CONDITIONER C D E F G H J K L M SECTION HAC A B HAC N O P CONTENTS HEATER & AIR CONDITIONING CONTROL SYSTEM AUTOMATIC AIR CONDITIONING BASIC INSPECTION ................................... 5 DIAGNOSIS AND REPAIR WORK FLOW ........ 5 Work Flow ................................................................ 5 INSPECTION ...................................................... 8 Description & Inspection .......................................... 8 AUXILIARY MECHANISM ................................10 Temperature Setting Trimmer ................................ 10 Inlet Port Memory Function .................................... 11 SYSTEM DESCRIPTION ............................ 12 COMPRESSOR CONTROL FUNCTION ...........12 Description ............................................................. 12 Component Parts Location ..................................... 13 Component Description .......................................... 13 AUTOMATIC AIR CONDITIONING SYSTEM ....15 System Diagram ..................................................... 15 System Description ................................................ 15 Component Parts Location ..................................... 24 Component Description .......................................... 24 DIAGNOSIS SYSTEM (A/C AUTO AMP.) ........26 Diagnosis Description ............................................ 26 DIAGNOSIS SYSTEM (BCM) (WITH INTELLI- GENT KEY SYSTEM) ........................................30 COMMON ITEM ........................................................ 30 COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM) .................................................... 30 AIR CONDITIONER .................................................. 31 AIR CONDITIONER : CONSULT-III Function (BCM - AUTO AIR CONDITIONER) ...................... 31 DIAGNOSIS SYSTEM (BCM) (WITHOUT IN- TELLIGENT KEY SYSTEM) ..............................33 COMMON ITEM ........................................................33 COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM) ....................................................33 AIR CONDITIONER ..................................................33 AIR CONDITIONER : CONSULT-III Function (BCM - AUTO AIR CONDITIONER) .......................34 DTC/CIRCUIT DIAGNOSIS ........................ 35 AMBIENT SENSOR .......................................... 35 Description ..............................................................35 Diagnosis Procedure ..............................................35 Component Inspection ............................................36 IN-VEHICLE SENSOR ...................................... 38 Description ..............................................................38 Diagnosis Procedure ..............................................38 Component Inspection ............................................39 INTAKE SENSOR ............................................. 41 Description ..............................................................41 Diagnosis Procedure ..............................................41 Component Inspection ............................................42 SUNLOAD SENSOR ......................................... 43 Description ..............................................................43 Diagnosis Procedure ..............................................43 Component Inspection ............................................44 AIR MIX DOOR MOTOR ................................... 46 Description ..............................................................46 Diagnosis Procedure ..............................................46 Component Inspection ............................................47 MODE DOOR MOTOR ...................................... 49 Description ..............................................................49 Diagnosis Procedure ..............................................49 Component Inspection ............................................50 INTAKE DOOR MOTOR ................................... 52 Description ..............................................................52 Diagnosis Procedure ..............................................52 Revision: 2009 October 2010 Z12

HAC-2 Component Inspection ........................................... 55 BLOWER MOTOR ............................................ 56 Description ............................................................. 56 Component Function Check .................................. 56 Diagnosis Procedure ............................................. 56 Component Inspection ........................................... 59 MAGNET CLUTCH ........................................... 61 Description ............................................................. 61 Component Function Check .................................. 61 Diagnosis Procedure ............................................. 61 A/C ON SIGNAL ............................................... 62 Component Function Check .................................. 62 Diagnosis Procedure ............................................. 62 BLOWER FAN ON SIGNAL ............................. 64 Component Function Check .................................. 64 Diagnosis Procedure ............................................. 64 POWER SUPPLY AND GROUND CIRCUIT .... 66 A/C AUTO AMP. ...................................................... 66 A/C AUTO AMP. : Diagnosis Procedure ............... 66 BCM (BODY CONTROL SYSTEM) (WITH INTEL- LIGENT KEY SYSTEM) ........................................... 67 BCM (BODY CONTROL SYSTEM) (WITH INTEL- LIGENT KEY SYSTEM) : Diagnosis Procedure .... 67 BCM (BODY CONTROL SYSTEM) (WITHOUT IN- TELLIGENT KEY SYSTEM) .................................... 68 BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM) : Diagnosis Proce- dure ....................................................................... 68 A/C AUTO AMP. ............................................... 70 Description ............................................................. 70 Component Function Check .................................. 70 Diagnosis Procedure ............................................. 70 ECU DIAGNOSIS INFORMATION ............. 71 A/C AUTO AMP. ............................................... 71 Reference Value .................................................... 71 Wiring Diagram - AUTOMATIC AIR CONDITION- ING SYSTEM - ...................................................... 74 BCM (BODY CONTROL MODULE) ................. 82 BCM (BODY CONTROL SYSTEM) (WITH INTEL- LIGENT KEY SYSTEM) ........................................... 82 BCM (BODY CONTROL SYSTEM) (WITH INTEL- LIGENT KEY SYSTEM) : Reference Value ........... 82 BCM (BODY CONTROL SYSTEM) (WITH INTEL- LIGENT KEY SYSTEM) : Wiring Diagram - BCM - .. 102 BCM (BODY CONTROL SYSTEM) (WITH INTEL- LIGENT KEY SYSTEM) : Fail-safe ....................... 107 BCM (BODY CONTROL SYSTEM) (WITH INTEL- LIGENT KEY SYSTEM) : DTC Inspection Priority Chart ............................ 109 BCM (BODY CONTROL SYSTEM) (WITH INTEL- LIGENT KEY SYSTEM) : DTC Index .................. 111 BCM (BODY CONTROL SYSTEM) (WITHOUT IN- TELLIGENT KEY SYSTEM) ................................... 112 BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM) : Reference Value . 112 BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM) : Wiring Diagram - BCM - ................................................................... 127 BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM) : Fail-safe ............ 131 BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM) : DTC Inspection Priority Chart ............................ 132 BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM) : DTC Index ........ 132 SYMPTOM DIAGNOSIS ........................... 134 AUTOMATIC AIR CONDITIONING SYSTEM .. 134 Diagnosis Chart By Symptom .............................. 134 INSUFFICIENT COOLING ............................... 135 Description ........................................................... 135 Diagnosis Procedure ............................................ 135 INSUFFICIENT HEATING ............................... 137 Description ........................................................... 137 Diagnosis Procedure ............................................ 137 COMPRESSOR DOSE DOT OPERATE ......... 138 Description ........................................................... 138 Diagnosis Procedure ............................................ 138 MEMORY FUNCTION DOES NOT OPERATE .. 140 Description ........................................................... 140 Inspection Procedure ........................................... 140 PRECAUTION ........................................... 141 PRECAUTIONS ............................................... 141 Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TEN- SIONER" .............................................................. 141 Precaution Necessary for Steering Wheel Rota- tion after Battery Disconnect ................................ 141 REMOVAL AND INSTALLATION ............. 143 A/C CONTROL (A/C AUTO AMP.) ................. 143 Exploded View ..................................................... 143 Removal and Installation ...................................... 143 AMBIENT SENSOR ......................................... 144 Exploded View ..................................................... 144 Removal and Installation ...................................... 144 IN-VEHICLE SENSOR ..................................... 145 Exploded View ..................................................... 145 Removal and Installation ...................................... 145 Revision: 2009 October 2010 Z12

HAC-3 C D E F G H J K L M A B HAC N O P SUNLOAD SENSOR ....................................... 146 Exploded View ..................................................... 146 Removal and Installation ...................................... 146 INTAKE SENSOR ........................................... 147 Exploded View ..................................................... 147 Removal and Installation ...................................... 147 REFRIGERANT PRESSURE SENSOR .......... 148 Exploded View ..................................................... 148 Removal and Installation ...................................... 148 POWER TRANSISTOR ................................... 150 Exploded View ..................................................... 150 Removal and Installation ...................................... 150 DOOR MOTOR ................................................ 151 Exploded View ..................................................... 151 INTAKE DOOR MOTOR ......................................... 152 INTAKE DOOR MOTOR : Removal and Installa- tion ....................................................................... 152 MODE DOOR MOTOR ........................................... 152 MODE DOOR MOTOR : Removal and Installation .. 153 AIR MIX DOOR MOTOR ........................................ 153 AIR MIX DOOR MOTOR : Removal and Installa- tion ....................................................................... 153 MANUAL AIR CONDITIONING BASIC INSPECTION ................................ 154 DIAGNOSIS AND REPAIR WORKFLOW ...... 154 Work Flow ............................................................ 154 INSPECTION ................................................... 156 Description & Inspection ...................................... 156 SYSTEM DESCRIPTION .......................... 158 COMPRESSOR CONTROL FUNCTION ......... 158 Description ........................................................... 158 Component Part Location .................................... 159 Component Description ........................................ 159 MANUAL AIR CONDITIONING SYSTEM ....... 161 System Diagram ................................................... 161 System Description .............................................. 161 Component Part Location .................................... 165 Component Description ........................................ 165 DIAGNOSIS SYSTEM (BCM) ......................... 167 COMMON ITEM ...................................................... 167 COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM) .................................................. 167 AIR CONDITIONER ................................................ 167 AIR CONDITIONER : CONSULT-III Function ...... 168 DTC/CIRCUIT DIAGNOSIS ...................... 169 POWER SUPPLY AND GROUND CIRCUIT .. 169 BCM ........................................................................ 169 BCM : Diagnosis Procedure ................................. 169 INTAKE DOOR MOTOR ................................. 170 Description ............................................................ 170 Diagnosis Procedure ............................................ 170 Component Inspection .......................................... 171 THERMO CONTROL AMPLIFIER .................. 172 Description ............................................................ 172 Component Function Check ................................. 172 Diagnosis Procedure ............................................ 172 BLOWER MOTOR .......................................... 175 Description ............................................................ 175 Diagnosis Procedure ............................................ 175 Component Inspection .......................................... 177 MAGNET CLUTCH ......................................... 179 Description ............................................................ 179 Component Function Check ................................. 179 Diagnosis Procedure ............................................ 179 A/C SWITCH ................................................... 180 Description ............................................................ 180 Component Function Check ................................. 180 Diagnosis Procedure ............................................ 180 DEFROSTER POSITION SIGNAL .................. 182 Description ............................................................ 182 Component Function Check ................................. 182 Diagnosis Procedure ............................................ 182 A/C INDICATOR .............................................. 184 Component Function Check ................................. 184 Diagnosis Procedure ............................................ 184 BLOWER FAN ON SIGNAL ........................... 186 Component Function Check ................................. 186 Diagnosis Procedure ............................................ 186 MANUAL AIR CONDITIONING SYSTEM ....... 188 Wiring Diagram — MANUAL AIR CONDITION- ING SYSTEM — ................................................... 188 ECU DIAGNOSIS INFORMATION ........... 194 BCM (BODY CONTROL MODULE) ............... 194 Reference Value ................................................... 194 Wiring Diagram - BCM - ....................................... 209 Fail-safe ................................................................ 212 DTC Inspection Priority Chart ............................ 213 DTC Index ............................................................ 213 SYMPTOM DIAGNOSIS ........................... 215 MANUAL AIR CONDITIONING SYSTEM ....... 215 Diagnosis Chart By Symptom ............................... 215 INSUFFICIENT COOLING .............................. 217 Revision: 2009 October 2010 Z12

HAC-4 Description ............................................................ 217 Diagnosis Procedure ............................................ 217 INSUFFICIENT HEATING .............................. 218 Description ............................................................ 218 Diagnosis Procedure ............................................ 218 COMPRESSOR DOSE DOT OPERATE ........ 219 Description ............................................................ 219 Diagnosis Procedure ............................................ 219 PRECAUTION ........................................... 221 PRECAUTIONS .............................................. 221 Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TEN- SIONER" ............................................................... 221 Precaution Necessary for Steering Wheel Rota- tion after Battery Disconnect ................................ 221 REMOVAL AND INSTALLATION ............. 223 A/C CONTROL ............................................... 223 Exploded View ...................................................... 223 Removal and Installation ...................................... 223 THERMO CONTROL AMPLIFIER .................. 225 Exploded View ..................................................... 225 Removal and Installation ...................................... 225 REFRIGERANT PRESSURE SENSOR .......... 226 Exploded View ..................................................... 226 Removal and Installation ...................................... 226 BLOWER FAN RESISTOR ............................. 228 Exploded View ..................................................... 228 Removal and Installation ...................................... 228 INTAKE DOOR MOTOR .................................. 229 Exploded View ..................................................... 229 Removal and Installation ...................................... 229 DOOR CABLE ................................................. 230 Exploded View ..................................................... 230 MODE DOOR CABLE ............................................ 231 MODE DOOR CABLE : Removal and Installation . 231 AIR MIX DOOR CABLE ......................................... 231 AIR MIX DOOR CABLE : Removal and Installation . 231 Revision: 2009 October 2010 Z12

DIAGNOSIS AND REPAIR WORK FLOW HAC-5 < BASIC INSPECTION > [AUTOMATIC AIR CONDITIONING] C D E F G H J K L M A B HAC N O P BASIC INSPECTION DIAGNOSIS AND REPAIR WORK FLOW Work Flow INFOID:0000000005490026 OVERALL SEQUENCE DETAILED FLOW JPIIA1650GB Revision: 2009 October 2010 Z12

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2010 Nissan Cube Service & Repair Manual

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