HICAS Diagnostic Mode

[Squeak]

Auto Transmission Diagnostics
Enter the auto transmission diagnostics mode
Have the car at normal temperature in Park with the overdrive on
Start the engine & the power light will go out after 2 seconds
Turn the ignition off
Move the selector to Drive (you may have to use the push button release)
Overdrive off Wait 2 seconds, and turn the ignition on
Wait 2 seconds and move the selector to 2
Overdrive on
Move the selector to 1
Overdrive Off
Press the accelerator fully and release
Read the auto transmission diagnostics codes.

All codes are flashed with the Power Light on the dashboard (R32) and on the auto mode selection button on the R33's.

The sequence starts with one long flash.
If everything is OK, this will be followed by ten short flashes.

Errors are indicated by a long flash in the sequence of short flashes.
• 1st flash longer Revolution sensor shorted or disconnected
• 2nd flash longer Speed sensor shorted or disconnected
• 3rd flash longer Throttle sensor shorted or disconnected
• 4th flash longer Shift solenoid A shorted or disconnected
• 5th flash longer Shift solenoid B shorted or disconnected
• 6th flash longer Overrun clutch solenoid shorted or disconnected
• 7th flash longer Lockup solenoid shorted or disconnected
• 8th flash longer Fluid temperature sensor is disconnected or the control unit power source is damaged
• 9th flash longer Engine revolution sensor shorted or disconnected
• 10th flash longer Line pressure solenoid shorted or disconnected
• All flashes the same with no long start flash Battery voltage low, has been recently disconnected or control unit has just been reconnected