If you HICAS light is on while you drive, then you currently are not "4 wheel steering" like your signature says. Something's wrong with your system. If you can get your car into diagnostic mode, tell me the secret. Start here:
HICAS Diagnostic Procedure 1. Input starting conditions for self-diagnosis.* Turn ignition switch "OFF".* Set shift lever to "P" or "N" (A/T) or "Neutral" (M/T).* Turn ignition switch "ON".* Immediately start engine.* Turn steering wheel from left to right (at least 20deg from the neutral position) 5- times or more, then depress foot brake pedal at least 5- times all within 10- seconds after ignition switch has been turned "ON".
2. Input self-diagnosis item.* Depress and release foot brake pedal.* Turn steering wheel from left to right (at least 20deg) from the neutral position.
* (M/T model):Depress clutch pedal and move gear shift lever to any position other than Neutral and return to Neutral. Release clutch pedal.
(A/T model):Disengage and engage parking brake lever. Move shift lever to any position other than Neutral or Parking and return to Parking.* Move car at least 3 meters (10ft) forward and proceed at indicated speed of at least 2km/h (1mph) in self-diagnosis mode.
3. The self-diagnosis mode will then appear in the "HICAS" warning lamp.* When all systems are normal HICAS warning lamp flashes at 0.25 second intervals.* When there is a system malfunction (there is a nifty diagram here of HICAS lamp pulses. I tried to translate them to words...)
Mode A)10 short pulses for 5 seconds.No pulses for 5 seconds.Nine 2-second interval indicating the system status (18 seconds total).(short pulse = good, 1 second pulse=bad)1) HICAS Solenoid R.H.2) HICAS Solenoid L.H.3) Fail-Safe Valve4) (Constantly normal mode)5) Vehicle Speed Sensor6) Steering Angle Sensor7) Steering Neutral Position Sensor8) A/T: Parking brake sensor M/T: Clutch Sensor9) A/T: Inhibitor Sensor M/T: Neutral Sensor
** Display repeats until ignition switch is turned "OFF" or 5 min has past.
Mode B)Lamp on for 5 seconds.No pulses for 5 seconds.Nine 2-second interval indicating the system status (18 seconds total).(short (0.1 sec) pulse = good, 1 second pulse=bad)1) HICAS Solenoid R.H.2) HICAS Solenoid L.H.3) Fail-Safe Valve4) (Constantly normal mode)5) Vehicle Speed Sensor6) Steering Angle Sensor7) Steering Neutral Position Sensor8) A/T: Parking brake sensor M/T: Clutch Sensor9) A/T: Inhibitor Sensor M/T: Neutral Sensor
** Display repeats until ignition switch is turned "OFF" or 5 min has past.
Note 1: To change the display mode to "A", turn OFF ignition switch after mode "B" is displayed. When battery is insufficient, mode "B" is displayed.
Note 2: If fail-safe system was operated (fail-safe valve is operating) when ignition switch was turned OFF for the last time, mode A will be displayed. If fail-safe system was not operated when the ignition switch was turned OFF for the last time, mode B will be displayed.
* Canceling the self-diagnosis function
Three methods.1) By turning the ignition switch off.2) After self-diagnosis has been operated for ~5 minutes.3) If the vehicle speed goes over 30 km/h (19 mph).
Takao <
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