SERVICE DATA REFERENCE TABLE



1.
Item No.
 Check item
 Inspection conditions
 Normal conditions
01
 Torque sensor
main
  • Start the electric motor unit.
  • Turn the steering wheel with a vehicle stationary.

 Centre position
 Approximately 2.5 V
Steering wheel turned to right
 Approximately 0.3 to 2.6 V
Steering wheel turned to left
 Approximately 2.4 to 4.7 V
02
 Torque sensor sub
  • Start the electric motor unit.
  • Turn the steering wheel with a vehicle stationary.

 Centre position
 Approximately 2.5 V
Steering wheel turned to right
 Approximately 2.4 to 4.7 V
Steering wheel turned to left
 Approximately 0.3 to 2.6 V
03
 Torque sensor
power supply voltage
 Start the electric motor unit.
 Approximately 5 V
05
 Motor current
(target value)
  • Start the electric motor unit.
  • Turn the steering wheel to the left and right with a vehicle stationary.

 Approximately 30 A or less
06
 Relay voltage
  • Start the electric motor unit.
  • Turn the steering wheel to the left and right with a vehicle stationary.

 B+ (approximately 12 V) or less
08
 Vehicle speed
 Perform a test run of the vehicle.
 Speedometer displayed value and M.U.T.-III displayed value agree with each other.
09
 Fail-safe
relay
 When Ready indicator is off (electric motor switch: ON)
 OFF
Start the electric motor unit.
 ON
11
 Electric motor
switch
 Electric motor switch: ON → OFF
 OFF
Electric motor switch: ON
 ON
13
 Motor current
(limit value)
  • Start the electric motor unit.
  • Turn the steering wheel to the left and right with a vehicle stationary.

 Approximately 30 A or less
14
 Motor voltage
(+)
  • Start the electric motor unit.
  • Turn the steering wheel to the left and right with a vehicle stationary.

 B+ (approximately 12 V) or less
15
 Motor voltage
(-)
  • Start the electric motor unit.
  • Turn the steering wheel to the left and right with a vehicle stationary.

 B+ (approximately 12 V) or less
16
 Relay voltage
  • Start the electric motor unit.
  • Turn the steering wheel to the left and right with a vehicle stationary.

 B+ (approximately 12 V) or less
note Although the item No. 13 (idle up relay) appears on M.U.T.-III, it will not be used. Therefore, descriptions for above table is omitted.
2.