CHECK AT ECU TERMINALS




Terminal No.
Check item
Check condition
Normal condition
1
Back-up lamp switch "ON" position input

  • Ignition switch to "ON" position.
  • Shift the selector lever to any position other than "R" (reverse).

0 V

  • Ignition switch to "ON" position
  • Shift the selector lever to "R" (reverse) position.

System voltage
3
Input of ignition switch (IG1) signal
Ignition switch: ON position
0 V to system voltage
6
Back sensor (RH)
Ignition switch: ON position
0V (40kHz pulse signal, emitted approx. every 125ms)
7
Corner sensor (rear: LH)
Ignition switch: ON position
0V (40kHz pulse signal, emitted approx. every 125ms)
8
Corner sensor (rear: RH)
Ignition switch: ON position
0V (40kHz pulse signal, emitted approx. every 125ms)
9
Back sensor (LH)
Ignition switch: ON position
0V (40kHz pulse signal, emitted approx. every 125ms)
10
Sensor earth
Ignition switch: ON position
0 V
11
Power supply to the ignition switch (IG1)
Ignition switch: ON position
System voltage
12
Reversing sensor indicator output

  • Ignition switch: ON position
  • Sonar switch input: OFF

0 V

  • Ignition switch: ON position
  • Sonar switch input: ON

System voltage
13
Sonar switch input

  • Ignition switch: ON position
  • Sonar switch input: OFF

System voltage

  • Ignition switch: ON position
  • Sonar switch input: ON

0 V
20
Earth
Always
0 V