CHECK AT ELECTRIC POWER STEERING-ECU




Terminal No.
 Terminal code
 Check item
 Checking requirements
 Normal condition
1
 IG1
 Ignition key signal
 Ignition switch: ON
 Battery voltage
Ignition switch: OFF
 1 V or less
2
 -
 -
 -
 -
3
 CAN_H
 CAN_H
 -
 -
4
 CAN_L
 CAN_L
 -
 -
5
 -
 -
 -
 -
6
 -
 -
 -
 -
7
 -
 -
 -
 -
8
 -
 -
 -
 -


Terminal No.
 Terminal code
 Check item
 Checking requirements
 Normal condition
1
 +BB
 Battery power supply
 Always
 Battery voltage
2
 GND
 Earth
 Always
 1 V or less


Terminal No.
 Terminal code
 Check item
 Checking requirements
 Normal condition
1
 -
 -
 -
 -
2
 -
 -
 -
 -
3
 -
 -
 -
 -
4
 -
 -
 -
 -
5
 TSM
 Torque sensor main signal
 Ignition switch: ON
 4.7 V or less
6
 TSE
 Torque sensor earth
 Always
 1 V or less
7
 TSS
 Torque sensor sub signal
 Ignition switch: ON
 4.7 V or less
8
 TSV
 Torque sensor power supply
 Ignition switch: ON
 5 ± 0.3 V


Terminal No.
 Terminal code
 Check item
 Checking requirements
 Normal condition
1
 M+
 Motor (+)
  • Start the engine
  • Turn the steering wheel to the left with a vehicle stationary.

 Approximately 40 A or less
2
 M-
 Motor (-)
  • Start the engine
  • Turn the steering wheel to the right with a vehicle stationary.

 Approximately 40 A or less