B
40
08.06
CHAPTER
PAGE
ISSUE
ELECTRIC SYSTEM TROUBLESHOOTING
ENGLISH
SECTION 2
Signal System
SECTION 2
B
- TROUBLESHOOTING
Comando DX
MODE
ENGINE
STOP
ON
OFF
ON
OFF
B-N
N
VR-N
B-VR
VR-N
B-VR
B-N
N
WITH “MODE” BUTTON PRESSED, FUNCTIONS ON THE DISPLAY CANNOT BE CHANGED
1.
Check “Mode” button
-
Disconnect six-way connector of right hand
switch (1)
-
Connect Tester “ ”, as follows
Terminal (-)
Green-black cable (2)
Terminal (-)
White-green cable (3)
-
Press the “Mode” button”
-
Check continuity
See “Checking connectors” on page 11
2
3
1
CONTINUITY
2.
Check power supply
-
Disconnect six-way connector of right hand
switch (1)
-
Connect Tester (20 V DC) to connector (system
side) as follows:
Terminal (+)
Blue cable (2)
Terminal (-)
Chassis grounding (3)
-
Turn key “ON”
-
Power measured must be 12.5V
Comando DX
MODE
ENGINE
STOP
ON
OFF
ON
OFF
B-N
N
VR-N
B-VR
VR-N
B-VR
B-N
N
R
BL
B-VL
R-N
COMPLIANT
NO CONTINUITY
Faulty “Mode” button
Replace right hand
switch
NOT COMPLIANT
“Mode” button is not powered; blue cable is
interrupted. Resume connection.
See “Circuit Diagram”
2
3
1