Re: Flashing O/D Lights on 91 Hilux Surf 3.0 V6.....pls help

need to check the tranmission using the diagnostic box under the hood. use a jumper wire. switch on the vehicle (don't start). connect the Tt1 and E1 terminals. read the number of flashes you get and then tell me i will tell you what is wrong. e.g 6flashes/pause/2 flashes means your number one solenoid is bad.