Hyundai Elantra HD: General Information
General Troubleshooting Information
Before Troubleshooting
1. |
Check applicable fuses in the appropriate fuse/relay
box.
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2. |
Using the battery checker (MCR-570 KIT), check the
battery for damage, state of charge, and clean and tight connections.
(Refer to the Engine Electrical System - Battery)
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3. |
Check the alternator belt tension.
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Handling Connectors
1. |
Make sure the connectors are clean and have no loose
wire terminals.
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2. |
Make sure multiple cavity connectors are packed with
grease (except watertight connectors).
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3. |
All connectors have push-down release type locks
(A).
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4. |
Some connectors have a clip on their side used to
attach them to a mount bracket on the body or on another component.
This clip has a pull type lock.
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5. |
Some mounted connectors cannot be disconnected unless
you first release the lock and remove the connector from its mount bracket
(A).
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6. |
Never try to disconnect connectors by pulling on
their wires; pull on the connector halves instead.
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7. |
Always reinstall plastic covers.
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8. |
Before connecting connectors, make sure the terminals
(A) are in place and not bent.
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9. |
Check for loose retainer (A) and rubber seals (B).
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10. |
The backs of some connectors are packed with grease.
Add grease if necessary. If the grease (A) is contaminated, replace
it.
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11. |
Insert the connector all the way and make sure it
is securely locked.
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12. |
Position wires so that the open end of the cover
faces down.
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Handling Wires And Harnesses
1. |
Secure wires and wire harnesses to the frame with
their respective wire ties at the designated locations.
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2. |
Remove clips carefully; don't damage their locks
(A).
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3. |
Slip pliers (A) under the clip base and through the
hole at an angle, and then squeeze the expansion tabs to release the
clip.
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4. |
After installing harness clips, make sure the harness
doesn't interfere with any moving parts.
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5. |
Keep wire harnesses away from exhaust pipes and other
hot parts, from sharp edges of brackets and holes, and from exposed
screws and bolts.
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6. |
Seat grommets in their grooves properly (A). Do not
leave grommets distorted (B).
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Testing And Repairs
1. |
Do not use wires or harnesses with broken insulation.
Replace them or repair them by wrapping the break
with electrical tape.
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2. |
After installing parts, make sure that no wires are
pinched under them.
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3. |
When using electrical test equipment, follow the
manufacturer's instructions and those described in this manual.
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4. |
If possible, insert the remover tool from the wire
side (except waterproof connector).
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5. |
Use a probe with a tapered tip.
Refer to the user's guide in the wiring repair kit
(Pub No. : TRK 015.)
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Five-step Troubleshooting
1. |
Verify the complaint
Turn on all the components in the problem circuit
to verify the customer complaint. Note the symptoms. Do not begin disassembly
or testing until you have narrowed down the problem area.
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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 feed through the circuit components
to ground. 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 operation, identify one or more possible causes of the problem.
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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.
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4. |
Fix the problem
Once the specific problem is identified, make the
repair. Be sure to use proper tools and safe procedures.
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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 the fuse. Make
sure no new problems turn up and the original problem does not recur.
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