Honda Civic 1998 Service Manual page 482

PCM CONNECTOR B (25P) (cont'd)
PCM CONNECTOR C {31P)
PCM CONNECTOR D (16P)
Terminal Numbel
Signal
Description
Measuring Conditions/Terminal Voltage
8 1 1
S H B
Shift control solenoid valve B
control
In 1st gear and 2nd gear in El, E position,
and in E position: Battery voltage
In 3rd gear and 4th gear in E, lp! position: 0 V
SLU
lnterlock control
When ignition switch is ON (ll). brake pedal
depressed and accelerator pedal released: 0 V
B 1 3
D 4 I N D
D4 Indicator light control
When ignition switch is first turned ON (ll):
Battery voltage for two seconds
In iDa position: Battery voltage
8 1 4
NMSG
Mainshaft speed sensor ground Always: 0 V
NM
Mainshaft speed sensor signal
Input
Depending on engine speed: Pulsing signal
When engine is stopped: 0 V
B 1 6
ATP R
A,/T gear position switch @
position signal input
I n E p o s i t i o n : 0 V
In other than E position: Battery voltage
817
AJP 2
A/T gear position switch P posi-
tion signal input
I n E p o s i t i o n : 0 V
In other than E position: Battery voltage
8 1 8 t o 8 2 1
Not used
B22 NCSG
Countershaft speed sensor ground
Always: 0 V
B23 NC
Countershaft speed sensor signal
I n p u r
Depending on vehicle speed: Pulsing signal
When vehicle is stopped: 0 V
824
ATP D4
A/T gear position switch Pj posi-
tion signal input
In -Drl position:0 V
In other than E! position: 5 V
B25
ATP NP
A/'f gear position switch E and
N position signals input
In E and El positions: 0 V
In other than E and N positions: Battery voltage
Terminal Number Signsl
Description
Measuring Conditions/Terminal voltage
Cl to C6
- see section 1 1 -
c7 Service check signal
With ignition switch ON (lll and service check
connector open: 5 V
With ignition switch ON (ll) and service check
connector connected with special tool: 0 V
C8 to C9
- see section 11 -
c 1 0 V B U
Back-up power system
Always battery voltage
Cl 1 to C31
- see section I I -
Terminal Number
Signal
Description
Measuring Conditions/Terminal Voltage
D1 to D4
- see section 1 l -
D5 STOP SW
Brake switch signal input
Brake pedal depressed: Battery voltage
Brake oedal released: 0 V
D O t o D 1 6
- see section 11 -
14-43