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: "OF"F
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
11
-
-
-
-
12
-
-
-
-
13
-
-
-
-
14
-
-
-
-
15
TSM
Torque sensor main signal
Ignition switch: "ON"
4.7 V or less
16
TSE
Torque sensor earth
Always
1 V or less
17
TSS
Torque sensor sub signal
Ignition switch: "ON"
4.7 V or less
18
TSV
Torque sensor power supply
Ignition switch: "ON"
5 ± 0.3 V


Terminal No.
Terminal code
Check item
Checking requirements
Normal condition
21
+BB
Battery power supply
Always
Battery voltage
22
GND
Earth
Always
1 V or less


Terminal No.
Terminal code
Check item
Checking requirements
Normal condition
31
M+
Motor (+)

  • Start the engine
  • Turn the steering wheel to the left with a vehicle stationary.

Approximately 40 A or less
32
M-
Motor (-)

  • Start the engine
  • Turn the steering wheel to the right with a vehicle stationary.

Approximately 40 A or less