Honda Civic Service Manual page 770

Troubleshooting Flowchart - Shift ControtSolenoid Valve B
NOTE: Record all freeze data before you troubleshoot.
Possiblg Cause
. Disconnectgd ihilt
control
solenoid valve A/B conneciot
r Short or oDen in shift conlrol
3olgnoid vrlve B wito
. Faulty 3hift control solenoid
velve B
. Op€n in VB SOL wire
rcM CONNECTORS
LGl
IBRN/BLKI LG2IBRN/BLK)
Wire side of {emale terminals
LGi (BRi|/BLKI LG2 IBRN/8LK)
To page 14-92
(cont'd)
1 4- 91
. OBD ll Scan Tool indic.l6 Code
P0758.
' Self-diagnosb El indicator light
blinks eighl tim6.
Check tor a Shortto Power:
1. Turn the ignition switch OFF
2. Disconnect the B (25P) and D
( 1 6 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 (lli.
4. Measure the voltage between
the D2 and 820 or 822 termi
nals,
Repaft 3hon to Powor in the wir€
b€tirvoon the D2 termin.l and the
3hift control solenoid valve B.
M€asure Shift Control Solenoid
Valve B R6isttnce:
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
between the D2 and 820 or
822 terminals.
ls the resistance 12 - 25 O?
Me.sure VB SOL Vohage:
1. Turn the ignition switch ON (ll).
2. Measure the voltage between
the D5 and 820 or 822 termi'
nars.
Check lol blown No 15 {7.5 Al
fuse in the under-d.sh luae/rolav
box. ll the fuse is OK, repair open
in ihe wire between tho D5 ter-
minal and the under'dash fus€/
relav box.
ls there battery voltage?
Check for loo3e terminal fit in the
PCM connectols. lf necossarY,
substitute a known_good PCM
and rocheck,
B (25Pt
-
I lD {16P)
B {25P1
D (t6Pl