Honda Acura NSX 1991 Service Manual page 799

Troubleshooting
Problem code 3-5: The atmospheric pressure sensor (PA).
Start the ;'"ine.
Y E S
Does the check engine light indi-
cate problem code 13)
Y E S
Repair according to the PGM-FI
troubleshooting guide.
Measure the voltage between the
TCS control unit No. 12 terminal
and body ground.
( I s t h e ;v;o,afr;matelv
Check for poor connections or
Turn the ignition switch OFF.
(To page 19-113)
19-112
Intermittent failure.
Check for poor connections or
loose wires.
20-P CONNECTOR
View from
terminal side.