Dynamic Radar Cruise Control System

CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: TERMINALS OF ECU

1. CHECK DISTANCE CONTROL ECU









(a) Reference: waveform 1





HINT
* Terminal: LRDD - SGND
* Gauge set: 2 V/DIV., 10 msec./DIV.
* Condition: Engine switch on (IG)
(b) Reference: waveform 2





HINT
* Terminal: LRRD - SGND
* Gauge set: 2 V/DIV., 5 msec./DIV.
* Condition: Engine switch on (IG)
2. CHECK ECM









HINT
* 2GR-FSE (*1)
* 4GR-FSE (*2)
If the value is not within the specified range, the ECM may have a malfunction.

3. CHECK MILLIMETER WAVE RADAR SENSOR









(a) Reference: waveform 1





HINT
* Terminal: LRDD - SGND
* Gauge set: 2 V/DIV., 10 msec./DIV.
* Condition: Engine switch on (IG)
(b) Reference: waveform 2





HINT
* Terminal: LRRD - SGND
* Gauge set: 2 V/DIV., 5 msec./DIV.
* Condition: Engine switch on (IG)