Honda CR-V 1997 Service Manual page 635

Troubleshooting Flowchart - Lock-up Control System
• aBO II Scan Tool indicates
Possible Cause
Code P0740.
Faulty lock-up control system
I
• Self-diagnosis
~
or
[Q]
indica-
tor light indicates Code 40.
If the PGM Tester is available,
retrieve the
NT
Freeze Data, then
clear the PCM.
Test-drive the vehicle under the
same conditions the Freeze Data
was recorded.
Intermittent failur •. The system
"-
NO
Is OK at this time. Check the fit
Did the code return?
/'
of the pins in all connectors
YES
affected by this code.
Check for Another Code:
Check whether the OBD II scan tool
or the
IQ!l
or
[Q]
indicator light indi-
cates another code.
Does the OBO II scan tool
YES
Perform the Troubleshooting
or the
[Q!]
or
lID
indicator
Flowchart for the indicated
light indicate another code?
Codels). Recheck for code P0740
(40)
after
troubleshooting.
NO
NOTE :
Do
not continue this trou-
bleshooting until the causes of any
other OTCs have been corrected.
Test Line Pressure:
Measure the line pressure (see
page 14-161 and 14-162).
Is the line pressure within
NO
Rep.ir the hydraulic system as
the service limit?
necessary Isee page 1 .... 161 and
14· 162).
YES
To page 14-120
(cont'd)
14-119