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C46 = Temp warning for pump motor transistor panel.

Its the panel at the back under the armrest next to the air vent, make sure the cooling fan is working correctly & the outlet vent isnt blocked up with dust.

I normally find pens jammed in the cooling fan.
  • Posted 13 Jul 2012 22:14
  • By Forkingabout
  • joined 31 Mar'11 - 862 messages
  • england, United Kingdom

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From the forum discussions …
"Toyota 8HBW23 - Thanks to the techs who helped: Need laptop and cable... Depending upon how new it is. You can turn off the keypad. Parameter 39."
ron_k, United States
Read & Post in our Forums
Fact of the week
The black box flight recorder was invented by Australian scientist David Warren in the mid-1950s. While initially met with indifference in Australia, his invention gained international recognition, particularly in the UK, and is now a mandatory piece of safety equipment on all commercial aircraft.