Question about Jaguar 1994 XJS Convertible

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I have a 1994 Jaguar convertible I cant get the top to go down or the rear quarter windows to go up. I have changed the fuse and the toggle switch thus far.

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Idk

Posted on Oct 20, 2013

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Posted on Jan 02, 2017

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SOURCE: rear quarter windowndow

I'm sorry to tell you there are none. They are operated by relays connected to the hood relays.

Posted on Aug 20, 2013

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I have a 2007 mustang convertible top that will not go down. with key on windows go to park down position but no hydraulic pump sound checking fuses to ensure good power. where should i begin?


Principles of Operation
Convertible top operation is controlled by the smart junction box (SJB). When the convertible top raise/lower switch is operated, the SJB commands the front and rear windows to the full down position. Window operation is disabled while the convertible top raise/lower switch is being operated. When the SJB receives a full down input for both rear windows, it commands the appropriate relay closed to raise or lower the convertible top. If the SJB does not receive a full down input signal for both rear windows, the convertible top operation is disabled.

The convertible top hydraulic system uses a 12 volt reversible pump and motor assembly. When active, the pump uses hydraulic pressure to extend the hydraulic lift cylinders to raise the convertible top, or retract the hydraulic lift cylinders to lower the convertible top. The convertible top motor/pump assembly is equipped with a thermal circuit breaker. The circuit breaker typically resets after 5 minutes depending on the ambient temperature. The thermal circuit breaker cannot be repaired and must be installed as a unit with the motor/pump assembly. In the event of a hydraulic system failure, the convertible top cannot be operated manually.

Inspection and Verification
  1. Verify the customer concern.
  1. Visually inspect for obvious signs of mechanical or electrical damage.


Visual Inspection Chart Mechanical Electrical
  • Convertible top brackets and frame
  • Convertible top latches
  • Convertible top pump and motor assembly
  • Hydraulic lift cylinders
  • Hydraulic lines
  • Bussed electrical center (BEC) fuse(s):
    • 13 (40A)
    • 51 (10A)
  • Circuitry
  • Convertible top pump and motor assembly
  • Convertible top ajar switch
  • Convertible top switch
  • Connector(s)
  • Convertible top raise relay
  • Convertible top lower relay
  • LH or RH rear power window motor
  • Smart junction box (SJB)
  • BEC

  1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
  1. If the cause is not visually evident, connect the scan tool to the data link connector (DLC) and select the vehicle to be tested from the scan tool menu. If the scan tool does not communicate with the vehicle:
    • check that the program card is correctly installed.
    • check the connections to the vehicle.
    • check the ignition switch position.
  1. If the scan tool still does not communicate with the vehicle, refer to the scan tool operating manual.
  1. Carry out the scan tool data link test. If the scan tool responds with:
    • CAN or ISO circuit fault; all electronic control units no response/not equipped, refer to Section 418-00 .
    • No response/not equipped for SJB; refer to Section 419-10 .
    • System passed, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs, and carry out self-test diagnostics for the SJB.
  1. If the DTCs retrieved are related to the concern, go to the Smart Junction Box (SJB) Diagnostic Trouble Code (DTC) Index.
  1. If no DTCs related to the concern are retrieved, GO to Symptom Chart .
  2. Smart Junction Box (SJB) Diagnostic Trouble Code (DTC) Index DTC Description Source Action B1141 Convertible Top Full Down Position Switch Circuit Failure SJB Go To Pinpoint Test E . B1142 Convertible Top Full Up Position Switch Circuit Failure SJB Go To Pinpoint Test E . B1402 Driver Power Window Down Switch Circuit Failure SJB Go To Pinpoint Test A . B2068 Convertible Top Up Output Circuit Failure SJB Go To Pinpoint Test A . B2069 Convertible Top Down Output Circuit Failure SJB Go To Pinpoint Test A . B2481 Convertible Top Up/Down Switch Fault SJB Go To Pinpoint Test A . B2578 Passenger Power Window Down Switch Circuit Failure SJB Go To Pinpoint Test A . All Other DTCs - SJB Refer to Section 419-10 .
  3. Your best bet ,take it to a qualified repair shop !

Nov 05, 2017 | Cars & Trucks

1 Answer

Why can't the rear quarter window be raised?


I know, its funny isn't it. It will go down with the roof... In the same vein I find it odd that there is only one reversing light

Oct 18, 2015 | 2007 Jaguar XKR Convertible

2 Answers

Rear quarter windowndow


find the motor to the windo in queston ,follow the red wire to the switch.

May 27, 2013 | Jaguar 1994 XJS Convertible

1 Answer

Rear quarter window


Well they have to be on your left hand side somewhere.

May 27, 2013 | 1994 Jaguar XJ6

1 Answer

My right passengers side rear quarter back window fuse


right side trunk speaker Or Left Side Trunk Speaker There Is A Wire Harness For The Back

Apr 13, 2017 | 1998 Toyota Celica

1 Answer

How do i put the top down on a 1994 mustang convertable


Relase the 2 latches aove the windshield, lower the windows and then operate the switch to lower the top. the top has an electric motor that operates a pump that sends hydraulic fluid under pressure to a piston on each arm behind the rear seat. That raises or lowers the top.

May 08, 2010 | 1994 Ford Mustang

1 Answer

1995 Jaguar convertable XJS quarter light windows wont go up


The rear windows are controlled by a timer in the top's ECU. If
the rear windows stop fully closing before your top is closed, the
problem MAY be with top's hydraulic system.

Check your top's hydraulic reserve tank for low fluid level. Lack
of fluid will greatly delay the top's closing sequence, leaving
those rear windows partially open.
Your top's hydraulic pump system is located beneath the right side
of the cubby/storage box behind the front seats. Raise the cover
and you'll see a removable trim panel on the right side. The pump
is behind that access panel.

You can use power steering fluid to top off the tank, but don't
fill it above level indicator line. You may have to add more fluid
after you cycle the top up and down to get the air bubbles out of
the lines.
It could also be a relay. On a 95 the relays that are in the trunk above the battery.
Perhaps, just switching the relays might prove which one is failing..

Mar 24, 2010 | 1995 Jaguar XJ-R

1 Answer

Convertible top and rear windows will not close


do you see any visible reddish in color in the vehicle or on the floor ?

Aug 27, 2009 | 1997 Jaguar XK8

1 Answer

Electric rear quaterlight window does not return when the convertible roof of the car is closed


On my 1990-XJS, one of the quarter windows did not come up: with the help of the "Electrical Guide", Fig. 29-1/-2 I was able to fix it. In your case, if only one of the 2 windows does not go down, then it can't be the fuse but most likely the culprit is the "down" relay for each of the 2 quarter windows, located under the luggage compartment floor at the driver's side (there are six "Change-over relays" all together). It is unlikely that the ECM is involved because again, it would affect both windows.Yes, like anything else on a Jaguar, it involves some WORK. To help you further, I'd need more details.
I have been able to maintain two similar Jaguars for 12 years with good results, and might be able to help you further.,

Aug 18, 2008 | Jaguar XJS Cars & Trucks

5 Answers

The convertible top stop working


I HAVE 1994 FORD MUSTANG TOP COVERTABLE TOP NOT WORKING FUSS ARE GOOD I CHANGE THE RELAY IN THE TRUNK.I REPLACED THE CONVERTABLE MOTER IN THE TRUNK WHAT ELSE ARE THEY TO DO

Jul 29, 2008 | 1994 Ford Mustang

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