Honda Civic Service Manual page 737

Electrical Troubleshooting ('96 - 9g Modelsl
Troubleshooting Ftowchart - Lock-up control sorenoid Varve B
Possible Cause
. Disconnected lock-up control
solenoid valve B connector
' Short or open in lock-up control
solonoid valve B whe
. Faulty lock-up control solenoid
valve B
PCM CONNECTORS
Wire side of female terminals
. OBD ll Scan Tool indicrtes Code
P1758.
. Self-diagnosis E indicrtor light
blinkstwice.
Check for a Shon to Power:
1. Turn the ignition switch OFF.
2. Disconnect the A (32p) and B
( 2 5 P ) c o n n e c t o r s f r o m t h e
PCM,
3. Turn the ignition switch ON t).
4. Measure the voltage between
the 84 and A9 or A22 termi-
nals.
Repeir short to power in the wire
between the 84 teiminal and the
lock-up control solenoid valve B.
Moasure Lock-up Control Sole-
noid Valve B Resistance:
1. Turn the ignition switch OFF.
2 . M e a s u r e t h e
r e s i s t a n c e
b e t w e e n t h e 8 4 a n d A g o r
A22 terminals.
Check for loose FCM connectors,
lf necessary, substitute
a known-
good solenoid valve assembly ol
P1CM and rech6ck.
ls the resistance 12 - 25 O?
NOTE: Record all freeze data before you troubleshoot.
A {32P)
T o p a g e 1 4 - 5 9