Tump

Found it. http://www.toyotanation.com/forum/63-highlander-hybrid/341699-how-reset-check-engine-vsc-warning-lights.html

I've had this issue when replacing discs. I can't find the info at the moment, but the solution is to bridge 2 pins on the diagnostic connector with a paper clip, then press the brake pedal a number of times. I'm sure if you google VSC reset you will find the info. It's worked for me a couple of times.

All sorted, but remains a bit of mystery. A quick check with a meter showed no voltage on the main input terminal of the large fuse box. Tracing the cable between the battery and this terminal caused the battery clamp to come away in my hand, showing the cable had parted about 1 inch from the clamp. The battery end shows signs of melting, but when I stripped back the cable, the strands showed a clean break. :eerrrmm: Anyway, patched out the break and the car is fine. I can't think of a reason for this - if it did melt, then there must have been excessive current into the fuse box, but no fuses are blown... I can only conclude that in removing the red plastic cover from the battery terminal, the car park guy must have broken an already weakened cable. Still, all's well that ends well, and a fairly simple fix.

Strange comments, as the owners manual has a detailed procedure for jump starting the 400H : 1. Check that the auxiliary battery terminals are tight and clean. 2. If the auxiliary battery terminals are O.K., the auxiliary battery is discharged. You may try jump starting. See “(b) Jump starting” for further instructions. Jump starting If the auxiliary battery is discharged, the hybrid system can be started by jump starting. Depending on the vehicle condition, however the engine may not start. Before jump starting, remove the engine compartment cover. (See “Removing the engine compartment covers” on page 538.) To avoid serious injury and damage to your vehicle which might result from an explosion of the auxiliary battery, acid burns, electrical burns, or damaged electronic components, follow instructions carefully. If you are unsure about how to follow this procedure, we strongly recommend that you seek help from your Lexus dealer, Roadside Assistance or Customer Service Assistance. (See “Foreword”.) It then goes on to describe the normal method of attaching the jump leads etc.

Just flown in from a 10 day USA holiday to be told by my meet and greet parking company that they couldn't start my 2006 RX 400H. They said they had tried jump starting from another car, but still no joy.I got them to give me a lift to the car and, sure enough the battery was completely flat despite having a solar panel on the dashboard. Put the jump leads on, but still nothing - no dash lights, no door locks, nothing at all. I know there is a good 12V across the battery as I have a red LED on the solar panel that glows bright when I put the jump leads on. I've located the 3 fuse boxes under the bonnet and visually checked all the fuses, but nothing seems blown. I'll be going back to the car in the next day or so with a multimeter, but can anyone advise me if there is a main battery fuse that I've missed? Any idea where I can find a wiring diagram for the car? I know there are horror stories about ECU being fried, but I want to check out all the basics before calling the experts.