Cruise control

Terminals of ECU

~1min read

1. CHECK DISTANCE CONTROL ECU

CHECK DISTANCE CONTROL ECU
CHECK DISTANCE CONTROL ECU
CHECK DISTANCE CONTROL ECU
  1. Reference: waveform 1

HINT:

  • Terminal: LRDD - SGND
  • Gauge set: 2 V/DIV., 10 ms./DIV.
  • Condition: ignition switch in the ON position
CHECK DISTANCE CONTROL ECU
  1. Reference: waveform 2

HINT:

  • Terminal: LRRD - SGND
  • Gauge set: 2 V/DIV., 5 ms./DIV.
  • Condition: ignition switch in the ON position

2. CHECK ECM

CHECK ECM
CHECK ECM
CHECK ECM

If the value is not within the specified range, the ECM may have a malfunction.

3. CHECK LASER SENSOR

CHECK LASER SENSOR
CHECK LASER SENSOR
CHECK LASER SENSOR
  1. Reference: waveform 1

HINT:

  • Terminal: LRDD - SGND
  • Gauge set: 2 V/DIV., 10 ms./DIV.
  • Condition: ignition switch in the ON position
CHECK LASER SENSOR
  1. Reference: waveform 2

HINT:

  • Terminal: LRRD - SGND
  • Gauge set: 2 V/DIV., 5 ms./DIV.
  • Condition: ignition switch in the ON position

4. BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)

BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)
BRAKE ACTUATOR ASSEMBLY (SKID CONTROL ECU)

Test yourself

A quick Toyota Sienna quiz: every answer comes with an explanation and a link to the manual page.