Without Scan Tool

Self-diagnosis (When Consult Is Not Used)
1. Input starting conditions for self-diagnosis.
(1) Turn ignition switch "OFF".
(2) Set shift lever to "P" or "N" position.
(3) Turn ignition switch "ON".
(4) Immediately start engine.
(5) Turn steering wheel from left to right (at least 20° 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.
(1) Depress and release foot brake pedal.
(2) Turn steering wheel from left to right (at least 20°) from the neutral position.
(3) Disengage and engage parking brake lever. Move shift lever to any position other than Neutral or Parking and return to Parking.
(4) Move car at least 3 meters (10 ft) forward and proceed at an indicated speed of at least 2 km/h (1 MPH) 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:

Example: When (2) HICAS solenoid LH, (4) power steering solenoid, and (5) vehicle speed sensor experienced malfunction.

The warning lamp displays abnormal mode (1 sec. ON).
[A] If fail-safe system was operated (fail-safe valve is operating) when key switch was OFF for the last time, fail-safe items will be displayed in numerical order in modes indicated. After all items are displayed, display is repeated again.
- To change the display mode [A], turn OFF ignition switch after mode [B] is displayed.
- When battery charge Is Insufficient, mode [B] Is displayed.






[B] If fail-safe system was not operated when key switch was OFF for the last time, display will show self-diagnosis results in numerical sequence in modes indicated below. After all self-diagnosis results are shown, display is repeated again.