89 XJS Code Reader
#3
Join Date: Mar 2008
Location: Pacific Northwest USA
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knares (07-08-2018)
#4
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knares (07-08-2018)
#6
I haven't seen a list it is in the ROM 1988.5 5.3 6.0 supplement under each function. If your engine check light is not on then you have no codes stored. When the codes are displayed on the Trip Computer they will not move to the next code until the failure associated with that code is rectified.
#7
Sorry fellas, the 1989 XJS has no onboard diagnostics at all. It only has a red feedback monitor hookup [with a blanking cap] back near the fueling ECU in the boot. It was used for mixture setup and that's pretty much it.
The trip computer fault code readout didn't arrive until 1992.
Cheers,
The trip computer fault code readout didn't arrive until 1992.
Cheers,
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trosty
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