Re: [xj-s] Non Starting

[Walter Petermann <corsaro@brokersys.com>]

r.gallivan@worldnet.att.net wrote:
> 
.. the car will
> not start.
> 
> The main relay (red socket) is hot/warm to the touch so I replaced both
> the main & pump relays but still warm/hot and no start. This is what I
> have:
> 
> Voltage @ Inertia switch
  
  Bad:
  According to the diagram for an 89xjs, there should be no voltage
  at the inertia switch unless it's open. This could be one problem.
> 
> Batt Voltage @ term #86 main relay

  Good.
> 
> No Batt Voltage @ term #87 main relay

  Correct if relay is not turning on.
> 
> No batt voltage @ earth lead & term #85 of main relay.

  If the relay is not turning on there should be voltage on 85.
  This is the other end of the relay coil which is powered at pin
  86.
> 
> No batt voltage @ term #86 of pump relay.

  Power for this relay comes from Main relay 87. So this is
  ok since main relay is not turning on.
> 
> No batt voltage @ term connector @ fuel pump.

  Pump power <- pump relay <- main relay (not working)
> 
> The injectors do not click when key is turned on.

  Ecu power <- main relay (not working)
> 
> Fuel pump will run if direct wired.
> 
> Any hints ?

  Check inertia switch. There should not be any voltage there.
  Push down on the button, if that doesn't work, replace it.

  If the main relay is not coming on now, replace it.

  The diagram shows 2 pin 87's. If the relay is clicking on check for 
  power out at both pins 87 (pink/blue wires on 89). If you only get 
  power at one pin, you have the wrong type of relay. Replace it.

   hope this helps,

     Walter

---

References:

• [xj-s] Non Starting
• From: r.gallivan@worldnet.att.net

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