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Discussion Starter · #1 ·
can anyone help with the location of the cel light?.I presumed it was in the instrument cluster.As no light illuminates when the ignition is turned on,I presumed the bulb had blown,but after removing the instrument cluster I could not find a position for the bulb.The vehicle is a 1994 mx6.
thanks
 

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JOHN said:
can anyone help with the location of the cel light?.I presumed it was in the instrument cluster.As no light illuminates when the ignition is turned on,I presumed the bulb had blown,but after removing the instrument cluster I could not find a position for the bulb.The vehicle is a 1994 mx6.
thanks
John,

It seems that the check engine light (CEL) was not installed on every MX6 worldwide. For example, I discovered some time ago that United Kingdom (UK) MX6s do not have a CEL on the dash. It would appear that South African MX6s may be no different.

If you want to read the codes on your V6s PCME, try this:

- see my web-site under Malf Codes for how to set up to read the codes out (i.e. ground the TEN pin)
- when you've got the Diagnostic box open and the TEN pin grounded, look under the cap for the pin labelled "FEN"
- use a voltmeter and measure the voltage on that pin (with respect to a GND pin in that box) with the ignition on

It will appear to jump between +12V and ground and you'll see that it's following a pattern - the exact same pattern as when codes are flashed out on the CEL on cars so equipped. If it stays at +12V constantly, it means there's no codes stored.

Instead of using a voltmeter, you can mimic a CEL by using a resistor and an LED but I won't describe how here (unless you want me to...)
 

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Discussion Starter · #4 ·
Mike 94PGT said:
JOHN said:
can anyone help with the location of the cel light?.I presumed it was in the instrument cluster.As no light illuminates when the ignition is turned on,I presumed the bulb had blown,but after removing the instrument cluster I could not find a position for the bulb.The vehicle is a 1994 mx6.
thanks
John,

It seems that the check engine light (CEL) was not installed on every MX6 worldwide. For example, I discovered some time ago that United Kingdom (UK) MX6s do not have a CEL on the dash. It would appear that South African MX6s may be no different.

If you want to read the codes on your V6s PCME, try this:

- see my web-site under Malf Codes for how to set up to read the codes out (i.e. ground the TEN pin)
- when you've got the Diagnostic box open and the TEN pin grounded, look under the cap for the pin labelled "FEN"
- use a voltmeter and measure the voltage on that pin (with respect to a GND pin in that box) with the ignition on

It will appear to jump between +12V and ground and you'll see that it's following a pattern - the exact same pattern as when codes are flashed out on the CEL on cars so equipped. If it stays at +12V constantly, it means there's no codes stored.

Instead of using a voltmeter, you can mimic a CEL by using a resistor and an LED but I won't describe how here (unless you want me to...)
[
Thanks Mike,
It certainly explains why I could not find it.
I visited your website,very nice.I see from the site that
the offical workshop manuals are available from the dealers
in your part of the world.Over here they will not supply,nor
give out any technical info.Is there a dealer who can supply
via the internet.I ordered a Haynes manual from Amazon but it does not have enough in depth info.Regards John
 
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