 |
|||
|
|
|||
|
Page Title:
CHART - 7 - NO DATA TO DDR (Cont'd) |
|
||
| ||||||||||
|
|
 TM 9-2320-364-20-1
Section IV. TROUBLESHOOTING CHARTS (Cont.)
D. CHART - 7 - NO DATA TO DDR (Cont'd)
-
STEP/SEQUENCE
RESULT
WHAT TO DO NEXT
C 7-4
Check for Open Light
Turn off ignition.
Greater than
One or both data wires (ckt #900
Place a jumper wire across pins
5 ohms.
or #901) is open. Repair open
-- J (#900) and K (#901) of DDL
and go to C 7-30.
connector.
Unplug vehicle harness connector
Less than
Go to C 7-5.
and measure resistance between
5 ohms.
sockets C1 and C2.
C 7-5
Check for Short
Remove jumper wire from DDL
Less than
Two data wires are shorted
connector.
5 ohms.
together (ckt #900 and #901).
Read resistance between sockets
Repair short and go to C 7-30.
C1 (#901) and C2 (#900)
of vehicle harness connector.
Greater than
Go to C 7-6.
5 ohms.
C 7-6
Check for Short to
Ignition and Ground
Remove all jumpers from the DDL
Less than
A short exists between a data
connector.
5 ohms on any reading.
wires and ignition or ground.
Measure resistance between
Repair short and go to C 7-30.
socket J (#900) and A (ground),
J (#900) and C (sw-ign),
K (#901) and A (ground), and K
(#901) and C (sw-ign) of DDL
Greater than
Go to C 7-7.
connector.
5 ohms on any reading.
C 7-7
Check DDR on
Another Engine
Connect DDR to another engine
Works okay.
Go to C 7-30.
and read any parameter in menu.
Does not work.
DDR is probably defective.
See DDR instruction manual for
repair.
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals