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1990 MIATA
Service manual
Mazda Miata Service Manual
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Table Of Contents
737
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of
737
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737
Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Contents
General Information
Repair Procedure
Symbols
Advisory Messages
Upper and Lower Limits
Troubleshooting Procedures
Diagnostic Index
Quick Diagnosis Chart
Procedures for Use
Using the Basic Inspection
Using the Quick Diagnosis Chart
Using the Symptom Troubleshooting
Text Sequence
Units
Conversion to si Units
Rounding off
SAE Standards
Fundamental Procedures
Protection of the Vehicle
Preparation of Tools and Measuring Equipment
Disconnection of the Negative Battery Cable
Arrangement of Parts
Cleaning of Parts
Reassembly
Adjustments
Installation of Radio System
Rubber Parts and Tubing
Hose Clamps
Torque Formulas
Electrical System
Electrical Parts
Battery Cable
Data Link Connector
Terminals Inspection
Terminals Replacement
Sensors, Switches and Relays
Wiring Harness
Fuse Replacement
Electrical Troubleshooting Tools
Jumper Wire
Voltmeter
Jacking Positions
Vehicle Lift and Safety Stand Position
Towing
Identification Number Locations
Vehicle Identification Number (VIN)
Engine Identification Number
Abbreviations
Pre-Delivery Inspection
Pre-Delivery Inspection Table
Exterior
Under Hood - Engine off
Scheduled Maintenance
Chart Symbols
Remarks
Engine
Engine Troubleshooting
Engine On-Board Diagnosis
Pending Trouble Codes
Freeze Frame Data
On-Board System Readiness Test
Simulation Test
Diagnostic Support Procedure
On-Board Diagnosis Test
Dtcs Reading Procedure
Pending Trouble Code Access Procedure
Freeze Frame PID Data Access Procedure
On-Board System Readiness Tests Access Procedure
PID/DATA Monitor and Record Procedure
Playback of Stored Pids Procedure
Diagnostic Monitoring Test Results Access Procedure
Oxygen Sensor Test Results Access Procedure
Simulation Test Procedure
Idling Test
Ignition on Test
OBD II Drive Mode Procedure
After Repair Procedure
Engine Speed Table
Mode 1
Mode 2
Mode 3
Mode 4
Failure Indication Function
Diagnostic Trouble Codes Table
Diagnostic Trouble Code Troubleshooting
DTC P0102 Mass Air Flow Circuit Low Input
DTC P0103 Mass Air Flow Circuit High Input
DTC P0106 Barometric Pressure Circuit Performance Problem
DTC P0107 Barometric Pressure Circuit Low Input
DTC P0108 Barometric Pressure Circuit High Input
DTC P0111 Intake Air Temperature Circuit Performance Problem
DTC P0112 Intake Air Temperature Circuit Low Input
DTC P0113 Intake Air Temperature Circuit High Input
DTC P0117 Engine Coolant Temperature Circuit Low Input
DTC P0118 Engine Coolant Temperature Circuit High Input
DTC P0122 Throttle Position Circuit Low Input
DTC P0123 Throttle Position Circuit High Input
DTC P0125 Excessive Fuel Control Time to Enter Closed Loop
DTC P0130 Front Heated Oxygen Sensor Circuit Malfunction
DTC P0134 Front Heated Oxygen Sensor Circuit no Activity Detected
DTC P0138 Rear Heated Oxygen Sensor Circuit High Input
DTC P0140 Rear Heated Oxygen Sensor Circuit no Activity Detected
DTC P0171 Fuel Trim System too Lean
P0172 Fuel Trim System too Rich
P0300 Random Misfire Detected
P0301, P0302, P0303, P0304 Cylinder 1-4 Misfire Detected
P0325 Knock Sensor Circuit Malfunction
P0335 Crankshaft Position Sensor Circuit Malfunction
P0339 Crankshaft Position Sensor Circuit Intermittent
P0401 Exhaust Gas Recirculation Flow Insufficient Detected
P0402 Exhaust Gas Recirculation Flow Excessive Detected
P0420 Warm up Catalyst System Efficiency below Threshold
P0421 Warm up Catalyst System Efficiency below Threshold
P0442 Evaporative Emission Control System Malfunction (Leak Check)
P0443 Evaporative Emission Control System Purge Control Valve Circuit Malfunction (Equip Leak Check)
P0446 Evaporative Emission Control System Malfunction (Vent Control Malfunction)
P0452 Evaporative Emission Control System Pressure Sensor Low Input
P0453 Evaporative Emission Control System Pressure Sensor High Input
P0455 Evaporative Emission Control System Malfunction (Con. Leak Detected)
P0461 Fuel Level Sensor Circuit Range/Performance
P0462 Fuel Level Sensor Circuit High Input
P0463 Fuel Level Sensor Circuit Low Input
P0500 Vehicle Speed Sensor Malfunction
P0506 Idle Control System RPM Is Lower than Expected
P0507 Idle Control System RPM Is Higher than Expected
P0550 P/S SW Malfunction
P0703 Brake Switch Input Malfunction
P0704 Clutch Switch Input Circuit Malfunction
P0705 Neutral Switch Malfunction (MT)
P1102 Mass Air Flow Inconsistent with Throttle Position Sensor (Lower than Expected)
P1103 Mass Air Flow Inconsistent with RPM (Grater than Expected)
P1122 Throttle Position Is Closed Stuck
P1123 Throttle Position Is Open Stuck
P1135 Front Heated Oxygen Sensor Heater Circuit Low
P1136 Front Heated Oxygen Sensor Heater Circuit High
P1141 Rear Heated Oxygen Sensor Heater Circuit Low
P1142 Rear Heated Oxygen Sensor Heater Circuit High
P1170 Heated Oxygen Sensor (Front) (Inversion)
P1345 no SGC Signal
P1449 Canister Drain Cut Valve (CDCV) Open or Short
P1450 Evaporative Emission Control System Malfunction
P1487 EGR Boost Sensor Solenoid Valve Open or Short
P1496 EGR Valve Motor Coll 1 Open or Short
P1497 EGR Valve Motor Coil 2 Open or Short
P1498 EGR Valve Motor Coil 3 Open or Short
P1499 EGR Valve Motor Coil 4 Open or Short
P1504 Idle Air Control Circuit Malfunction
P1523 VICS Circuit Malfunction
P1562 PCM+BB Voltage Is Low
P1601 Communication Line Error (PCM - TCM)
P1608, P1609
P1631 Generator Output Voltage Signal no Electricity
P1632 Battery Voltage Monitor Signal Circuit Malfunction
P1633 Battery Overcharge
P1634 Generator Terminal B Circuit Open
Engine Symptom Troubleshooting
Quick Diagnostic Chart
Description of Drivability Problems
Fuel Pressure Release and Servicing Fuel System
Fuel Line Safety Procedures
Symptom Troubleshooting
Melts Main or Other Fuse
Will Not Crank
Hard Start/Long Crank/Erratic Start/Erratic Crank
Engine Stalls - after Start, at Idle
Cranks Normally but will Not Start
Slow Return to Idle
Engine Runs Rough/Rolling Idle
Fast Idle/Runs on
Low Idle/Stalls During Deceleration
Engine Stalls/Quits - Acceleration/Cruise
Engine Runs Rough - Acceleration/Cruise
Misses - Acceleration/Cruise
Buck/Jerk - Acceleration/Cruise/Deceleration
Lack/Loss of Power - Acceleration/Cruise
Knocking/Pinging - Acceleration/Cruise
Poor Fuel Economy
Emission Compliance
Mil Never on
High Oil Consumption/Leakage
Cooling System Overheating
Cooling System Runs Cold
Exhaust Smoke
Fuel Odor (in Engine Compartment)
Engine Noise
Vibration Concerns (Engine)
A/C Does Not Work
A/C Always On/A/C Compressor Runs Continuously
A/C Does Not Cut off under Wide Open Throttle Conditions
Exhaust Sulphur Smell
Intermittent Concerns
Fuel Refill Concerns
Fuel Filling Shut off Issues
Constant Voltage
Engine Diagnostic Inspection
Spark Plug Condition Inspection Purpose
Wet/Carbon Stuck on Specific Plug
Grayish White with Specific Plug
Wet/Carbon Stuck on All Plugs
Grayish White with All Plugs
Input Signal System Investigation Procedure
Finding Unusual Signals
Locating the Source of Unusual Signals
Variable Resistance Type 1
Investigate the Electrical Supply System
Investigate the GND System
Thermistor Type
Vehicle Speed Sensor
Inspection Using an Oscilloscope (Reference)
Fuel Tank Pressure, Graph Recording Procedure
Engine System Inspection
Intake Manifold Vacuum Inspection
BAC Valve Operation Inspection
Idle Air Control Inspection
Engine Speed
VICS Operation Inspection
Rod Operation
Fuel Line Pressure Inspection
Fuel Line Pressure
Fuel Hold Pressure Inspection
Fuel Pump Operation Inspection
Fuel Pump Control Inspection
Evaporative Emission Control System Inspection
Whole System Inspection
Inspection from Charcoal Canister to Fuel Tank
Inspection from Charcoal Canister to Purge Solenoid Valve
Purge Control Inspection
EGR Control Inspection
Main Relay Operation Inspection
Ignition Timing Control Inspection
A/C Cut Control Inspection
Cooling Fan Control System Inspection
Cooling Fan
Condenser Fan Relay
Spark Test
Fuel Injector Operation Inspection
Fuel Cut Control Inspection
Troubleshooting (Cruise Control System)
Cruise Control System On-Board Diagnosis
Inspection of Diagnostic Trouble Codes for Operation Mode
Using the Cruise Set Indicator Light
Using the SST (NGS Set)
New Generation Star (NGS) Tester Hookup Procedure
Reading Dtcs Procedure
Operation Code List
Inspection of Diagnostic Trouble Codes
DTC 21 Cruise Control Switch (Set/Coast Switch)
DTC 22 Cruise Control Switch (Resume/Accel Switch)
DTC 31 Brake Switch
DTC 35 Clutch Switch (At: Transmission Range Switch)
DTC 37 Vehicle Speed Sensor
Inspection of Diagnostic Trouble Codes for Condition Detection Mode
Condition Code List
DTC 05 Brake Switch
DTC 07 Brake Switch
DTC 11 Cruise Control Switch (Set/Coast Switch)
DTC 12 Cruise Control Switch (Resume/Accel Switch)
DTC 15 Cruise Control Module
Mechanical
Drive Belt Inspection
Drive Belt Deflection Check
Drive Belt Tension Check
Drive Belt Adjustment
Valve Clearance Inspection
Valve Clearance Adjustment
Compression Inspection
Timing Belt Removal/Installation
Pulley Lock Bolt Removal/Installation Note
Timing Belt Removal Note
Tensioner and Tensioner Spring Installation Note
Timing Belt Installation Note
Cylinder Head Cover Installation Note
Cylinder Head Gasket Replacement
Tappet and Adjustment Shim Removal/Installation
Cylinder Head Removal Note
Cylinder Head Installation Note
Camshaft Installation Note
Camshaft Pulley Installation Note
Front Oil Seal Replacement
Front Oil Seal Removal Note
Front Oil Seal Installation Note
Rear Oil Seal Replacement
Rear Oil Seal Removal Note
Rear Oil Installation Note
Engine Removal/Installation
Engine Disassembly/Assembly
Engine Mount Installation Note
Engine Tune-Up Procedure
Ignition Timing Inspection
Idle-Up Speed Inspection
Idle Mixture Inspection
Lubrication System
Engine Oil Level Inspection
Engine Oil Replacement
Oil Filter Replacement
Oil Pressure Inspection
Oil Cooler Removal/Installation
Oil Pan Removal/Installation
Engine Mount Nut Removal Note
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Manual
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Quick Tips
Table of
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Table of Contents
Troubleshooting
Symbols
4
Using the symptom troubleshooting
7
Fuse replacement
16
Engine
25
Diagnostic Trouble Code Troubleshooting
42
Engine Symptom Troubleshooting
121
Symptom Troubleshooting
126
Troubleshooting (Cruise Control System)
185
Brakes Troubleshooting
373
Antilock Brake System Symptom Troubleshooting
381
Transmission/Transaxle Troubleshooting
422
Automatic Transmission Symptom Troubleshooting
438
HVAC troubleshooting
545
Air Bag System Symptom Troubleshooting
588
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