Honda Civic Service Manual page 907

TCM CONNECTOR B (22P}
Terminal Numbel
Signal
Description
Measuring Conditions/Terminal Voltage
B1
S O L I N H
Inhibitor solenoid control
With inhibitor solenoid ON: Baftery voltage
With inhibitor solenoid OFF: 0 V
82
MAP (PB)
-M
an if old Absol r-rte Pressure IMAP)
sensor signal inPUt
With iqnition switch ON (ll): Approx.2.5 V
With e;gine adling: Approx. 1.0 V (depending on
engine speed)
B3
Not used
B 4
TPS
-Throttle
Position (TP) sensor signal
input
With ignition switch ON (ll) and throftle fully open:
4 . 1 4 - 4 . 4 2 V
With ignition switch ON (ll) and throttle fully
closed: 0.44 - 0.56 V
VSS
Vehicle Speed Sensor (VSS) signal
Inpur
With ignition switch ON (ll) and rotating front
w h e e l s r 0 - 5 V c y c l e
T M B
Data communication with ECM:
Transmission control data outpUt
With ignilion swltch UN lll): rulslng slgnar
81
TMA Data communication with EClvl:
PGM Fl control data inPut
W i t h i g n i t i o n s w l t c h u N { l l , : l - u l s l n g s l g n a l
B8 N D N S G
Driven pulley speed sensor ground
B9
NDN
Driven pulley speed sensor signal
input
ln other thTnE and E position: Pulsing signal
8 1 0
NDR
Drive pulley speed sensor signal
I n p u t
-tn
ottrer ttran E ana E position: Pulsing signal
8 1 1
Not used
812
STOP SW
Brake switch signal inPut
With brake pedal depressed: Battery voltage
With brake pedal released: 0 V
8 1 3 DIAG-H
(TXD/RXD)
Data communication:
Diagnostic trouble code outPut
Wittr ignitio.r s*itct' ON (ll): Approx 5.0 V
8 1 4
Se-ice ctrect signat
With ignition switch ON (ll) and service check
connector oPen: APProx.5 V
With iqnition switch ON (ll) and service check
"onn"itot. connect"d with special tool: 0 V
Secondary gear shaft speed sensor
signal input
Depending on vehicle speed: Pulsing signal
When vehicle is stoPped: 0 V
8 1 5
VEL
8 1 6
VEL SG
Secondary gear shaft speed sensor
grouno
8 1 7
N D R S G
Drive pulley speed sensor ground
8 1 8
HBRK SW
Parking brake switch signal inPut
With parking brake lever pulledr 0 V
With parking brake lever released: Battery voltage
8 1 9
Not used
B20
VREF +5 V relerence
With ignition switch ON (ll): Approx 5 V
821
Not used
Not used