Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSACURA2018TLX BASE, 2.4L ENGREPAIR AND DIAGNOSIS (SINGLE PAGE)ELECTRICALGAUGESGAUGES - TESTING & TROUBLESHOOTING
2018 Acura TLX Base, 2.4L Eng
Gauges - Testing & Troubleshooting
2018 Acura TLX Base, 2.4L EngSECTION Gauges - Testing & Troubleshooting
- Component Location Index
- Electrical Compass Component Location Index
- Gauges Component Location Index (With SH-AWD)
- Gauges Component Location Index (Without SH-AWD)
- Parking And Back-Up Sensor System Component Location Index (2015-17)
- Parking And Back-Up Sensor System Component Location Index (2018-19)
- Reminder Systems Component Location Index
- Safety Indicator System Component Location Index
- How To Information
- Gauges Self-Diagnostic Function (Without SH-AWD)
- Notes
- Entering the Self-Diagnostic Function With the HDS
- Entering the Self-Diagnostic Function (Manual Method)
- The Indicator Drive Circuit Check
- Switch Input Check
- The Beeper Drive Circuit Check
- The MID Segment Check
- The Gauge Drive Circuit Check
- The Communication Line Check
- Ending the Self-Diagnostic Function
- Gauges Self-Diagnostic Function (With SH-AWD)
- Notes
- Entering the Self-Diagnostic Function With the HDS
- Entering the Self-Diagnostic Function (Manual Method)
- The Indicator Drive Circuit Check
- The Switch Input Check
- The Beeper Drive Circuit Check
- The MID Segment Check
- The Gauge Drive Circuit Check
- The Communication Line Check
- Ending the Self-Diagnostic Function
- Gauges Self-Diagnostic Function (Without SH-AWD)
- Description
- Electrical Compass System Description - Overview
- Gauges System Description - Control/Function (Without SH-AWD)
- Gauges System Description - Control/Function (With SH-AWD)
- Gauges System Description - Overview (With SH-AWD)
- Gauges System Description - Overview (Without SH-AWD)
- Gauges System Description - System Diagram (Without SH-AWD) (2015-17)
- Gauges System Description - System Diagram (2018-19)
- Gauges System Description - System Diagram (With SH-AWD) (2015-17)
- Parking and Back-Up Sensor System Description - Components
- Parking and Back-Up Sensor System Description - Control/Function (2015-17)
- Parking and Back-Up Sensor System Description - Control/Function (2018-19)
- Parking and Back-Up Sensor System Description - Overview (2015-17)
- Parking and Back-Up Sensor System Description - Overview (2018-19)
- Parking and Back-Up Sensor System Description - System Diagram (2015-17)
- Parking and Back-Up Sensor System Description - System Diagram (2018-19)
- Testing
- Dashlights Brightness Control Switch Test
- Electrical Compass Zone Selection And Calibration
- Gauge Control Module Input Test (2015-17)
- Gauge Control Module Input Test (2018-19)
- Gauge Control Module Update
- Outside Air Temperature Indicator Calibration
- Parking And Back-Up Sensor Control Unit Input Test (2015-17)
- Parking And Back-Up Sensor Control Unit Input Test (2018-19)
- Parking And Back-Up Sensor Switch Test
- Reminder Systems (MICU And Gauge Control Module) Input Test
- Resetting The Parking And Back-Up Sensor Control Unit (2018-19)
- Rewriting The ODO Data And Transferring The Maintenance Minder™ Data To A New Gauge Control Module
- Safety Indicator System (MICU And Gauge Control Module) Input Test
- Connector For Inputs And Outputs
- Electrical Compass Unit Connector For Inputs And Outputs
- Gauge Control Module Connector For Inputs And Outputs (Without SH-AWD) (2015-17)
- Gauge Control Module Connector For Inputs And Outputs (2018-19)
- Gauge Control Module Connector For Inputs And Outputs (With SH-AWD) (2015-17)
- Parking And Back-Up Sensor Control Unit Connector For Inputs And Outputs (2015-17)
- Parking And Back-Up Sensor Control Unit Connector For Inputs And Outputs (2018-19)
- Circuit Diagram
- Gauges Circuit Diagram (Without SH-AWD) (2015-17)
- Gauges Circuit Diagram (With SH-AWD) (2015-17)
- Gauges Circuit Diagram (With SH-AWD) (2018-19)
- Gauges Circuit Diagram (Without SH-AWD) (2018-19)
- Parking And Back-Up Sensor System Circuit Diagram (Without SH-AWD) (2015-17)
- Parking And Back-Up Sensor System Circuit Diagram (With SH-AWD) (2015-17)
- Parking And Back-Up Sensor System Circuit Diagram (With SH-AWD) (2018-19)
- Parking And Back-Up Sensor System Circuit Diagram (Without SH-AWD) (2018-19)
- Reminder Systems Circuit Diagram (Without SH-AWD) (2015-17)
- Reminder Systems Circuit Diagram (With SH-AWD) (2015-17)
- Reminder Systems Circuit Diagram (With SH-AWD) (2018-19)
- Reminder Systems Circuit Diagram (Without SH-AWD) (2018-19)
- Safety Indicator System Circuit Diagram (Without SH-AWD) (2015-17)
- Safety Indicator System Circuit Diagram (With SH-AWD) (2015-17)
- Safety Indicator System Circuit Diagram (With SH-AWD) (2018-19)
- Safety Indicator System Circuit Diagram (Without SH-AWD) (2018-19)
- Troubleshooting
- Electrical Compass Symptom Troubleshooting
- Azimuth (Direction) Information Is Not Shown On The Display (Electrical Compass)
- Compass Does Not Calibrate (Electrical Compass)
- Compass Shows Wrong Direction (Electrical Compass)
- Electrical Compass Symptom Troubleshooting Index (Electrical Compass)
- Self-Test Has Failed (Flashing The CAL And NW) (Electrical Compass)
- Gauges Symptom Troubleshooting
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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.