Honda Civic Service Manual page 951

Troubleshooting Flowchart - PH-PL Control Linear Solenoid
NOTE: Record all freeze data before you troubleshoot.
Possibls c.use
. Oisconn6dod solenoid harness
conn6ctol
. Short or ooen in PH-PL control
linear solenoid wire
. F.ulty PH-PL cont.ol linear sole-
noid
. ODen in VB SOL wire
. Op€n in PGl and PG2 wires or
poor ground lG101l
PCM CONNECTORS
Wire side of female terminals
LGT IBRN/BLKI
LG2 IBRN/BLK)
(cont'd)
B (25P1
D {16P}
. O B D l l S c a n T o o l i n d i c a t e s
Codo P1873.
. sslt-disgnosis E indicltor light
indicates Code 31.
Mo.surevB SOL Vohagg:
1. Turn the ignition switch OFF.
2. Disconnect the 8 (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 tho ignition switch ON (ll),
4. Measure the voltage between
the D5 and 820 or 822 termi-
nals,
Ropair open or shod in the wiJe
bstwaon tho D5 terminal and the
under-dalh tuso/relay box.
Check the Ground Circuh:
1. Turn the ignition switch OFF
2. Check tor continuity between
the terminals 82 and 822 and
b e t w e e n t e r m i n a l s 8 1 0 a n d
820.
Fepair open in tho wiro b€tw€en
tho torminds 82, 810, 820, and
8 2 2 a n d G 1 0 1 . R e p a i r P o o r
ground (G1011.
(BRN/BLX)
Fo page 14-274
PCM CONNECTOR B (25P|
14-273