Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

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)




Part 1:




Part 2:




2. CHECK ECM
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)