1997 Acura SLXFACTORY OEM SERVICE PROCEDURE

Engine Controls - System/Component Tests: Introduction

Before testing separate components or systems, perform procedures in BASIC TESTING article. Since many computer-controlled and monitored components set a trouble code if they malfunction, also perform procedures in appropriate TESTS W/CODES article.

NOTE: Testing individual components does not isolate shorts or open circuits. Perform all voltage tests with a Digital Volt-Ohmmeter (DVOM) with a minimum 10-megohm input impedance, unless stated otherwise in test procedure. Use ohmmeter and refer to WIRING DIAGRAMS to isolate shorted or open wiring harness.
CHART REFERENCE

System Or Component Diagnostic Information Location
Malfunction Indicator Light See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK in BASIC DIAGNOSTIC PROCEDURES
DLC & MIL On Steady See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK in BASIC DIAGNOSTIC PROCEDURES
No Scan Tool Data See ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK in BASIC DIAGNOSTIC PROCEDURES
No-Start Diagnosis See ENGINE CRANKS BUT WILL NOT RUN in BASIC DIAGNOSTIC PROCEDURES
Injector Circuit Diagnosis See FUEL SYSTEM DIAGNOSIS in BASIC DIAGNOSTIC PROCEDURES
Fuel Pump Relay See FUEL PUMP RELAY TESTING in BASIC DIAGNOSTIC PROCEDURES
Fuel System Diagnosis See FUEL SYSTEM DIAGNOSIS in BASIC DIAGNOSTIC PROCEDURES
Fuel Injector Balance See FUEL SYSTEM
MAP Sensor See ENGINE SENSORS & SWITCHES
IAC Motor See IDLE CONTROL SYSTEM under FUEL SYSTEM
Fuel Injector Balance Test See FUEL SYSTEM
Fuel Evaporation Control See EMISSION SYSTEMS & SUB-SYSTEMS
Ignition Control Circuit See IGNITION SYSTEM
ESC Ignition Check See IGNITION SYSTEM
EGR System See EMISSION SYSTEMS & SUB-SYSTEMS
Tachometer Control Circuit See MISCELLANEOUS PCM CONTROLS
Torque Converter Clutch See MISCELLANEOUS PCM CONTROLS
Manual Transmission Shift Lights See MISCELLANEOUS PCM CONTROLS
A/C Clutch Control See MISCELLANEOUS PCM CONTROLS
A/C Clutch Control Circuit See AIR CONDITIONING & HEATING SERVICE & REPAIR
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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