Wiring Diagram Cluster

1990 Nissan-Datsun Pulsar A/C & Heater Wiring Diagram

Find A/C compressor clutch wiring, blower motor circuits, temperature control module paths, and refrigerant pressure switch schematics.

Open Exact Vehicle Repair HubOpen Interactive Diagram BrowserBrowse All Wiring Diagrams

Matched Diagrams

48

Variant Used

Pulsar L4-1597cc 1.6L SOHC (GA16i)

Total Vehicle Diagrams

394

🤖 Stuck on this electrical issue?

Wiring diagrams can be a maze. Ask Manuel, our factory-trained AI mechanic, to analyze this circuit or troubleshoot your specific symptom.

Ask AI Mechanic ➔

From Diagram To Fix

Use this wiring page as the jump point, not the dead end

Open the exact diagram, then move directly into the vehicle hub, the repair most likely tied to this system, or the code cluster that usually shows up with it.

Keep context

Vehicle Repair Hub

Step out of raw diagrams and into the full 1990 Nissan-Datsun Pulsar hub with repairs, specs, codes, and other systems already tied to this car.

View vehicle repair hub →
1990 Nissan-Datsun Pulsar A L L Diagnostic Trouble Codes ( DTC )

OEM source

Factory Manual Evidence

When there is no clean repair shortcut for this system, drop into the OEM manual sections that usually carry the authoritative test path.

1990 Nissan-Datsun Pulsar A L L Diagnostic Trouble Codes ( DTC ) →
1990 Nissan-Datsun Pulsar Diagnostic Trouble Codes1990 Nissan-Datsun Pulsar Repair and Diagnosis1990 Nissan-Datsun Pulsar Repair and Diagnosis

Stay in wiring

More System Pages for This Vehicle

Move laterally into the neighboring systems that usually share the same electrical neighborhood.

Starter Wiring Diagram →
Alternator Wiring DiagramHeadlight Wiring DiagramPower Window Wiring Diagram

Top A/C & Heater Diagram Paths

1.Electrical Diagrams > Heating and Air Conditioning > Blower MotorGeneralOpen2.Electrical Diagrams > Air Conditioning WiringHeating and Air ConditioningOpen3.Radio, Stereo, and Compact Disc — Diagnostic Aids > Examples of Common Electrical IncidentsAccessories and Optional EquipmentOpen4.Radio, Stereo, and Compact Disc — Diagnostic Aids > Flow of DiagnosisAccessories and Optional EquipmentOpen5.Radio, Stereo, and Compact Disc — Diagnostic Aids > Recommended Tools and EquipmentAccessories and Optional EquipmentOpen6.Radio, Stereo, and Compact Disc — Diagnostic Aids > Testing Circuits > Ground InspectionAccessories and Optional EquipmentOpen7.Radio, Stereo, and Compact Disc — Diagnostic Aids > Testing Circuits > Testing For OpensAccessories and Optional EquipmentOpen8.Radio, Stereo, and Compact Disc — Diagnostic Aids > Testing Circuits > Testing For ShortsAccessories and Optional EquipmentOpen9.Radio, Stereo, and Compact Disc — Diagnostic Aids > Testing Circuits > Voltage Drop TestsAccessories and Optional EquipmentOpen10.Radio, Stereo, and Compact Disc — Diagram Information and Instructions > Harness Connector InformationAccessories and Optional EquipmentOpen11.Radio, Stereo, and Compact Disc — Diagram Information and Instructions > Standardized Relay InformationAccessories and Optional EquipmentOpen12.Radio, Stereo, and Compact Disc — Diagram Information and Instructions > Wire Color Code IdentificationAccessories and Optional EquipmentOpen13.Radio, Stereo, and Compact Disc — Diagram Information and Instructions > Wiring Diagram Symbol IDAccessories and Optional EquipmentOpen14.Radio, Stereo, and Compact Disc — Electrical Diagrams > Audio System WiringAccessories and Optional EquipmentOpen15.Radio, Stereo, and Compact Disc — Electrical Diagrams > Fuse Panel DetailsAccessories and Optional EquipmentOpen16.Electrical Diagrams > Brakes and Traction ControlGeneralOpen17.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Air Conditioning WiringGeneralOpen18.Electrical Diagrams > Heating and Air Conditioning > System Diagram > Fuse Panel Details and Power DistributionGeneralOpen19.Electrical Diagrams > Lamps > Back-UpLighting and HornsOpen20.Electrical Diagrams > Lighting and Horns > System Diagram > Lamps > Back-UpGeneralOpen21.Electrical Diagrams > Radio, Stereo, and Compact Disc > Audio System WiringGeneralOpen22.Electrical Diagrams > Radio, Stereo, and Compact Disc > Fuse Panel DetailsGeneralOpen23.Exploded Views > Heating and Air ConditioningGeneralOpen24.Vacuum and Vapor Hose DiagramsPowertrain ManagementOpen25.Vacuum and Vapor Hose Diagrams > Powertrain ManagementGeneralOpen26.Antitheft and Alarm Systems — Diagnostic Aids > Examples of Common Electrical IncidentsAccessories and Optional EquipmentOpen27.Antitheft and Alarm Systems — Diagnostic Aids > Flow of DiagnosisAccessories and Optional EquipmentOpen28.Antitheft and Alarm Systems — Diagnostic Aids > Recommended Tools and EquipmentAccessories and Optional EquipmentOpen29.Antitheft and Alarm Systems — Diagnostic Aids > Testing Circuits > Ground InspectionAccessories and Optional EquipmentOpen30.Antitheft and Alarm Systems — Diagnostic Aids > Testing Circuits > Testing For OpensAccessories and Optional EquipmentOpen31.Antitheft and Alarm Systems — Diagnostic Aids > Testing Circuits > Testing For ShortsAccessories and Optional EquipmentOpen32.Antitheft and Alarm Systems — Diagnostic Aids > Testing Circuits > Voltage Drop TestsAccessories and Optional EquipmentOpen33.Antitheft and Alarm Systems — Diagram Information and Instructions > Harness Connector InformationAccessories and Optional EquipmentOpen34.Antitheft and Alarm Systems — Diagram Information and Instructions > Standardized Relay InformationAccessories and Optional EquipmentOpen35.Antitheft and Alarm Systems — Diagram Information and Instructions > Wire Color Code IdentificationAccessories and Optional EquipmentOpen36.Antitheft and Alarm Systems — Diagram Information and Instructions > Wiring Diagram Symbol IDAccessories and Optional EquipmentOpen37.Antitheft and Alarm Systems — Electrical DiagramsAccessories and Optional EquipmentOpen38.Diagnostic Aids > Examples of Common Electrical IncidentsBrakes and Traction ControlOpen39.Diagnostic Aids > Examples of Common Electrical IncidentsHeating and Air ConditioningOpen40.Diagnostic Aids > Flow of DiagnosisBrakes and Traction ControlOpen41.Diagnostic Aids > Flow of DiagnosisHeating and Air ConditioningOpen42.Diagnostic Aids > Recommended Tools and EquipmentBrakes and Traction ControlOpen43.Diagnostic Aids > Recommended Tools and EquipmentHeating and Air ConditioningOpen44.Diagnostic Aids > Testing Circuits > Ground InspectionBrakes and Traction ControlOpen45.Diagnostic Aids > Testing Circuits > Ground InspectionHeating and Air ConditioningOpen46.Diagnostic Aids > Testing Circuits > Testing For OpensBrakes and Traction ControlOpen47.Diagnostic Aids > Testing Circuits > Testing For OpensHeating and Air ConditioningOpen48.Diagnostic Aids > Testing Circuits > Testing For ShortsBrakes and Traction ControlOpen

Parts & Tools for This Job

Common parts shoppers buy for 1990 Nissan-Datsun Pulsar A/C & Heater.

part

AC Compressor

Shop Amazon→

part

Blower Motor

Shop Amazon→

part

Blower Resistor

Shop Amazon→

part

Cabin Air Filter

Shop Amazon→

As an Amazon Associate, AllOEMManuals earns from qualifying purchases. Prices and availability may vary.

Exact Vehicle Hub

Browse →
1990 Nissan Datsun Pulsar Repair HubExact Vehicle · Backbone

Open the exact vehicle hub for this wiring page to move into repair, manual, and code clusters without leaving the 1990 Nissan Datsun Pulsar context.

OEM Manual Evidence

Browse →
1990 Nissan-Datsun Pulsar A L L Diagnostic Trouble Codes ( DTC )OEM Manual

A L L Diagnostic Trouble Codes ( DTC ) — 1990 Nissan-Datsun Pulsar L4-1597cc 1.6L SOHC (GA16i) Service Manual ~ LEMON Manuals LEMON Manuals...

1990 Nissan-Datsun Pulsar Diagnostic Trouble CodesOEM Manual

Repair and Diagnosis: Diagnostic Trouble Codes — 1990 Nissan-Datsun Pulsar L4-1597cc 1.6L SOHC (GA16i) Service Manual ~ LEMON Manuals LEMON...

1990 Nissan-Datsun Pulsar Repair and DiagnosisOEM Manual

Repair and Diagnosis — 1990 Nissan-Datsun Pulsar NX Automatic Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Hom...

1990 Nissan-Datsun Pulsar Repair and DiagnosisOEM Manual

Repair and Diagnosis — 1990 Nissan-Datsun Pulsar NX Standard Service Manual ~ LEMON Manuals LEMON Manuals: Repair Knowledge Reimagined Home...

More Pulsar Wiring Pages

Starter Wiring DiagramAlternator Wiring DiagramHeadlight Wiring DiagramPower Window Wiring DiagramInstrument Cluster Wiring DiagramWiper & Washer Wiring DiagramTransmission Wiring DiagramAirbag SRS Wiring DiagramEngine Management Wiring DiagramBody Electrical Wiring Diagram

Same System, Other Vehicles

1990 Toyota Supra A/C & Heater Wiring Diagram1993 Toyota Camry Sedan A/C & Heater Wiring Diagram1993 Toyota Camry Wagon A/C & Heater Wiring Diagram1990 Honda Prelude A/C & Heater Wiring Diagram1994 Toyota Camry Sedan 2-Door A/C & Heater Wiring Diagram1994 Toyota Camry Sedan 4-Door A/C & Heater Wiring Diagram1994 Toyota Celica A/C & Heater Wiring Diagram1995 Toyota Camry Coupe 2-Door A/C & Heater Wiring Diagram
Factory Service Tools

Turn This Into a Confident Next Step

Verify the likely fault first, then compare a quote before you approve expensive work.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Diagnostic ToolsCompare Repair QuoteQuote Shield Pro
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro