Accord LX Sedan L4-2156cc 2.2L SOHC MFI (1997)
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Headlamp Reminder Indicator: Diagnostic Aids
Five Step Troubleshooting
1. Verify The Complaint
Turn on all the components in the problem circuit to check the accuracy of the customer complaint. Note the symptoms. Do not begin disassembly
or testing until you have narrowed down the problem area.
2. Analyze The Schematic
Look up the schematic for the problem circuit. Determine how the circuit is supposed to work by tracing the current paths from the power source
through the circuit components to ground. Also, trace circuits that share wiring with the problem circuit. The names of circuits that share the same
fuse, ground, or switch, and so on, are referred to in each circuit schematic. Try to operate any shared circuits you didn't check in step 1. If the
shared circuits work, the shared wiring is OK, and the cause must be in the wiring used only by the problem circuit. If several circuits fail at the
same time, the fuse or ground is a likely cause.
Based on the symptoms and your understanding of the circuit's operation, identify one or more possible causes.
3. Isolate The Problem By Testing The Circuit
Make circuit tests to check the diagnosis you made in step 2. Keep in mind that a logical, simple procedure is the key to efficient troubleshooting.
Test for the most likely cause of failure first. Try to make tests at points that are easily accessible.
4. Fix The Problem
Once the specific problem is identified, make the repair. Be sure to use proper tools and safe procedures.
5. Make Sure The Circuit Works
Turn on all components in the repaired circuit in all modes to make sure you've fixed the entire problem. If the problem was a blown fuse, be sure
to test all of the circuits on that fuse. Make sure no new problems turn up and the original problem does not recur.
Troubleshooting Precautions
Before Troubleshooting
1. Check the main fuse and the fuse box.
2. Check the battery for damage, state of charge, and clean and tight connections.
CAUTION:
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Do not quick-charge a battery unless the battery ground cable has been disconnected, or you will damage the alternator diodes.
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Do not attempt to crank the engine with the ground cable disconnected or you will severely damage the wiring.
While You're Working
1. Make sure connectors are clean, and have no loose terminals or receptacles.
2. Make sure multiple terminal connectors are packed with dielectric (silicone) grease. (Part Number: 08798-9001)
3. When connecting a connector, push it until it clicks into place.
CAUTION:
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Do not pull on the wires when disconnecting a connector. Pull only on the connector housings.
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Most circuits include solid-state devices. Test the voltages in these circuits only with a 10 megaohm or higher impedance digital multimeter.
Never use a test light or analog meter on circuits that contain solid-state devices. Damage to the devices may result.
Testing For A Short to Ground
NOTE: Always use a DVOM on high impedance circuits. A test light may not glow (even with battery voltage present).
Testing With a Test Light or DVOM
1. Remove the blown fuse and disconnect the load.