Honda Civic Service Manual page 934

Electrical Troubleshooting ('96 - 98 Modelsl
Troubleshooting Flowchart - Secondary Gear Shaft Speed Sensor
Po$ible Cause
. Disconnected secondary geal
shaft speod sen3or connectol
. Short ol open in s€condary gear
shaft spe€d sen3or wiro
. Faulty secondary gear shatt
speed s€nsor
SECONDARY GEAR SHAFT SPEED
SENSOR 2P CONNECIOR
l l l l ; l l
T_T
l @
t l
LJ
s i d e o f m a l e t e r m i n a l s
Terminal
TCM CONNECTOR B {22P}
Wire side of female termanals
14-256
NOTE: Record all freeze data before you troubleshoot.
. OBD ll Scan Tool indicates Code
P1888.
. Selt-diagnosis Iq indicator light
indicates Code 36.
Check the secondary gear shaft
speed sensor installation.
ls the secondary gear shaft speed
sensor installed properly?
Measure Secondary Gear Sheft
Speod Sensor R8istance at the
Sensor Connector:
1. Disconnect the 2P connector
from the secondary gear shaft
speed sensor connector.
2. Measure the resistance ol the
secondary gear shalt speed
ls the resistance 350 - 600 0?
Check Counterchaft Speed Son-
sor for a Short Circuit:
1. Disconnect the B 122P) connec
torfrom the TCM.
2. Check for continuity between
body ground and the 815 ter
m i n a l a n d 8 1 6 t e r m i n a l i n d i
vidually.
Repair short in the wir€6 bctuveen
th. 815 and 816 torminrls.nd
the s€condary ge.r shaft speod
ls there continuity?
Measu.e Secondary Gear Shatt
Speed Sensor Resistance:
1. Connect the secondary gear
shaft speed sensor 2P connec-
2 . M e a s u r e t h e
r e s i s t a n c e
between the 815 and 816 te.
m r n a l s .
Reprir loose terminal or opcn in
the wires between the 815 and
8'16 terminals and the secondary
g€ar shaft sp€ed s€nsor,
ls the resistance 350 600 O?
Check lor loose TCM connector.
lf n€cessary, substitute a known-
good TCM and recheck.
I
2
1
5 6
9 1 0
1 2
1 3 1 a
1 5 1 6 1 7 1 8
20
WHT/RED T
-
ORN/BLU
D (o.
1
a
5 6 7 8
I
1 0
1 2
13
1 4 1 5 1 5 1 7 1 8
20
WHT/REI
A
I
ORN/BLU