work shop manual & electrical troubleshooting manual for 2003 accent - Page 9 - Hyundai Forums : Hyundai Forum
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post #81 of 116 (permalink) Old 11-05-2018, 03:32 PM
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If I can find the connector/plug at the output of the flasher I can start tracing to the bulbs and find the open
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post #82 of 116 (permalink) Old 11-05-2018, 04:12 PM
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I am thinking if I can find the connector/plug at the output of the flashser, I can unplug, open the circuit and start tracing continuity to bulbs and find where the break is
Mike
I'd suggest you start by identifying the turn signal wires on connector EM02 (large 23 way yellow connector behind the dashboard on the driver's side).

Switch the hazard lights on and see if there is power reaching that connector. If so you know the circuit is good from the flasher relay upto that connector, meaning the problem is likely to be out in the engine bay.

EM02 pinout shown below. According to the diagram the turn signal wires are on terminals 7 & 8.

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post #83 of 116 (permalink) Old 11-05-2018, 07:14 PM
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I'd suggest you start by identifying the turn signal wires on connector EM02 (large 23 way yellow connector behind the dashboard on the driver's side).

Switch the hazard lights on and see if there is power reaching that connector. If so you know the circuit is good from the flasher relay upto that connector, meaning the problem is likely to be out in the engine bay.

EM02 pinout shown below. According to the diagram the turn signal wires are on terminals 7 & 8.

I disconnected the yellow connector EM02
I measured voltage on pins 6,7 and 8 under different stalk switch conditions
Switch at left turn: pin 6 alternating 12 v, 7 & 8 0 V Fast left dash light flash
Switch at right turn: 0 v on all pins (678) Fast right dash flash
Hazard switch on: 0 v on all pins Fast right dash flash (no left)
Hazard on with left turn stalk: Pin 6 alternating 12v, 0v on 7 & 8. Both dash lights flash slowly
Hazard on switch with right turn stalk: 0 v on all pins Fast right dash

is the problem the stalk switch or the hazard switch?
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post #84 of 116 (permalink) Old 11-05-2018, 07:16 PM
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I substituted a generic flasher - same results
post #85 of 116 (permalink) Old 11-06-2018, 01:25 AM
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I disconnected the yellow connector EM02
I measured voltage on pins 6,7 and 8 under different stalk switch conditions
If you have disconnected the connector you need to be sure your measuring the voltage on the correct side. The diagram shows the power supply is on the female side of the connector. Is that the side you were probing with your meter?

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Switch at left turn: pin 6 alternating 12 v, 7 & 8 0 V Fast left dash light flash
That's interesting. The turn signal circuit isn't connected to pin 6 of EM02, according to the diagram.

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Hazard switch on: 0 v on all pins Fast right dash flash (no left)
Interesting too that the left tell tail (dash warning light) isn't working when the hazard lights are on.
Did you look to see if the left turn signal on the rear of the car was working? I'm guessing not since the flash rate was fast.
If the rear left turn signal isn't working when the hazard lights are on that is pointing to a fault with the hazard switch.
But that can't be the cause of the front lamps not working, which I think should be pretty clear from the diagram.

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is the problem the stalk switch or the hazard switch?
The problem with the front lamps can't be caused by a fault within either switch.
But you seem to have stumbled across fault within the hazard switch that is unrelated to the problem with the front lamps.
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post #86 of 116 (permalink) Old 11-06-2018, 08:40 AM
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If you have disconnected the connector you need to be sure your measuring the voltage on the correct side. The diagram shows the power supply is on the female side of the connector. Is that the side you were probing with your meter?


That's interesting. The turn signal circuit isn't connected to pin 6 of EM02, according to the diagram.


Interesting too that the left tell tail (dash warning light) isn't working when the hazard lights are on.
Did you look to see if the left turn signal on the rear of the car was working? I'm guessing not since the flash rate was fast.
If the rear left turn signal isn't working when the hazard lights are on that is pointing to a fault with the hazard switch.
But that can't be the cause of the front lamps not working, which I think should be pretty clear from the diagram.


The problem with the front lamps can't be caused by a fault within either switch.
But you seem to have stumbled across fault within the hazard switch that is unrelated to the problem with the front lamps.
I am measuring on the female side of the connector. Maybe I got the pins wrong. When looking at the EM02 connector drawing, is the female side the top or bottom part of the drawing?
post #87 of 116 (permalink) Old 11-06-2018, 08:45 AM
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I am measuring on the female side of the connector. Maybe I got the pins wrong. When looking at the EM02 connector drawing, is the female side the top or bottom part of the drawing?
post #88 of 116 (permalink) Old 11-06-2018, 04:06 PM
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Sorry, I should have said that the upper pinout if the female side of the connector and the lower one is the male.

On Hyundai diagrams male connector drawings have the terminals numbered from left to right,
the female side of the connectors have the terminals numbered from right to left.

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post #89 of 116 (permalink) Old 11-06-2018, 04:20 PM
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Originally Posted by AUTOSPARK View Post
If you have disconnected the connector you need to be sure your measuring the voltage on the correct side. The diagram shows the power supply is on the female side of the connector. Is that the side you were probing with your meter?


That's interesting. The turn signal circuit isn't connected to pin 6 of EM02, according to the diagram.


Interesting too that the left tell tail (dash warning light) isn't working when the hazard lights are on.
Did you look to see if the left turn signal on the rear of the car was working? I'm guessing not since the flash rate was fast.
If the rear left turn signal isn't working when the hazard lights are on that is pointing to a fault with the hazard switch.
But that can't be the cause of the front lamps not working, which I think should be pretty clear from the diagram.


The problem with the front lamps can't be caused by a fault within either switch.
But you seem to have stumbled across fault within the hazard switch that is unrelated to the problem with the front lamps.
Pin 5 has a constant 12 v
Rear lamps work normally, left, right and hazard, Left and right turn tell tales on dash too fast. Both hazard tell tales flash at normal speed. I am measuring on large yellow connector on driver's side
post #90 of 116 (permalink) Old 11-06-2018, 04:22 PM
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mike@720 is an unknown quantity at this point
Pin 5 has a constant 12 v
Rear lamps work normally, left, right and hazard, Left and right turn tell tales on dash too fast. Both hazard tell tales flash at normal speed. I am measuring on large yellow connector on driver's side
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