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LR3 - accident, won't start

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Old May 26, 2020 | 05:02 PM
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DakotaTravler's Avatar
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Default LR3 - accident, won't start

So lets say an LR3 nails the ditch, crushes both driver side doors and pretty much rips the rear knuckle apart. Driver side air curtain deploys, not steering or other airbags go off. Zero front end or under body damage. Just the side. It did not roll. Before we start to dig deep into things, just wondering if there is some sorta crash system that can get reset, etc? I know the D2 has an inertia switch. The LR3 has an inertia sensor but the RAVE manual only mentions it, has ZERO details on it. Might need the body repair manual instead? Thinking there must be a start interrupt that killed the fuel pump or something, etc. Thoughts?
 
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Old May 26, 2020 | 10:12 PM
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I'm sure there is a cut out I don't know if it's a manual reset or a software
 
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Old May 26, 2020 | 10:26 PM
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So little info on it. Found this in the LR3 pocketbook:
• Collision-activated inertia switch (unlocks doors, turns off fuel pump, turns on
hazard lights).

And the RAVE mentions its input location to the ECU, also calling it a switch which seems to maybe imply mechanical/physical.
E4 / Inertia switch / InputFUEL PUMP RELAYThe V8 engine has a returnless fuel system. The system pressure is maintained at a constant 4 bar (59 Psi), with no reference to intake manifold pressure. The fuel is supplied to the injectors from a fuel pump fitted within the fuel tank. The electrical supply to this fuel pump is controlled by the ECM via a relay and an Inertia Switch which will turn the fuel off upon a vehicle impact. The fuel system is pressurised as soon as the ECM is powered up, the pump is then switched off until engine start has been achieved.

Guess I will keep on hunting. Not that the truck is probably every going to go anywhere again. The owner is thinking he may just look for another LR3 and if it needs repairs he will take stuff from the crashed on. It was a nice specimen, good suspension (tight). But with the B pillar inward with the roof pushed up a bit I think its a goner.



 
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Old May 26, 2020 | 11:29 PM
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He should part it out....if I were local that ladder and the light guards would be tempting.
 
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Old May 27, 2020 | 05:42 PM
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I think he is saving those for his next LR3. Which might be a while, he says he is in no rush to pounce on one. Also his new sunroof drains AND snorkel kit came the dat after the crash! But I do think he plans to part out the rest to recover something.
 
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Old Jun 5, 2020 | 07:24 PM
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Did not dig into this and may never. Picking up another LR3 tomorrow for this guy. 8 hour road trip, so hopefully worth it! The price is right, thats for sure. Runs but the EAS is dead. Luckily I know a ton about air ride! So with any luck we will be back home by 10pm Saturday with a 2005 LR3 in the same silver/black combo as the crushed one above. I will be driving my LR3 as support for the return trip, packed full of tools and fluids. I do wish I could have gotten a build sheet though, to the owner is was just a truck and I does not seem like they really know much about it feature wise. Being a 2005, its just not in the database.

This also means the owner may have lots of spare stuff coming up, including some nice black interior stuff.
 
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Old Jun 6, 2020 | 02:46 AM
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There roll sensors in the fuel tank that shuts of the fuel
 
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Old Jun 7, 2020 | 03:09 AM
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Do you have schematics or info on it? I can find nothing in the RAVE workshop manual.
 
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Old Jun 7, 2020 | 03:40 AM
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Don't have schematics but as shown in the manual
A tank carrier assembly is attached inside the tank and is used to locate the internal tank components. The carrier
provides location for the fuel pump module, the front level sensor, the Roll Over Valves (ROV's), the front jet pump and
the Fuel Level Vent Valve (FLVV).
The two rear ROVs are mounted directly onto the LVS with a rubber grommet and secured with clips.
The two front ROVs are located in the front of the tank and are attached to the main beam of the carrier by a moulded
clip. Both ROVs are connected to the LVS with a plastic corrugated tube.
The four ROVs vent directly into the LVS. Any liquid fuel is separated from the vapor in the LVS and drains back into the

Item Part Number Description
1 - Front right hand Roll Over Valve (ROV)
2 - Carrier assembly
3 - Fuel Level Vent Valve (FLVV) breather corrugated tube
4 - Front ROV corrugated tube
5 - Liquid Vapor Separator (LVS)
6 - Rear right hand ROV
7 - Rear left hand ROV
8 - Fuel pump module
9 - Rear fuel level sensor
10 - Tank breather tube
11 - Connector
12 - Fuel Level Vent Valve (FLVV)
13 - Front fuel level sensor
14 - Front left hand ROV
15 - Front jet pump

Hope this helps
 
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Old Jun 7, 2020 | 11:49 AM
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Thanks, I will look further into that but so far all info points to these not being an issue since these pretty much just prevent fuel from escaping into the vapor system, they dont close up the fuel supply apparently.
 
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