Problem In A/T Clutch Pressure Control Solenoid Valve A Circuit - Honda 2002 Accord Manual

Automatic Transmission
DTC Troubleshooting (cont'd)
DTC P1768: Problem In A/T Clutch Pressure
Control Solenoid Valve A Circuit
NOTE: Record all freeze data before you troubleshoot.
1. Disconnect the A/T clutch pressure control solenoid
valve A 2P connector.
2. Measure A/T clutch pressure control solenoid
resistance at the solenoid valve connector.
A / T C L U T C H P R E S S U R E C O N T R O L
S O L E N O I D V A L V E A C O N N E C T O R
T e r m i n a l s i d e of m a l e t e r m i n a l s
Is the resistance about 5 Q ?
Y E S - G o t o step 3.
NO—Replace the A/T clutch pressure control
solenoid valve AM
3. Disconnect the B (25P) connector f r o m the PCM.
4. Check for continuity between body g r o u n d and the
B8 terminal and the B17 t e r m i n a l individually.
P C M C O N N E C T O R B ( 2 5 P )
L S A — ( W H T )
1
2
3 4 5 7 8
9
, 0
12 13 14 16
17
18
19 20
21
22 23 24 2 5
L S A + ( R E D )
W i r e s i d e o f f e m a l e t e r m i n a l s
Is there continuity?
Y E S — Repair short t o g r o u n d in the wires between
the B8 and B17 terminals and A/T clutch pressure
control solenoid valve A. •
N O - G o t o step 5.
5. Connect the A/T clutch pressure control solenoid
valve A connector.
6. Measure the resistance between the B8 and B17
terminals.
P C M C O N N E C T O R B ( 2 5 P )
L S A - ( W H T )
L S A + ( R E D )
1 2 3 4 8
/
8
9
10
11 12 13 14
/
16 17
18
19
20
21 22 23 24 25
W i r e s i d e o f f e m a l e t e r m i n a l s
Is the resistance about 5 Q ?
Y E S - G o t o step 7.
NO —Repair loose terminal or open in the wires
between the B8 and B17 terminals and A/T clutch
pressure control solenoid valve AM
14-78