Honda Acura NSX 1991, Service Manual, Page: 812 / 1420

(From 19-l 24)
WIRE
CONNECTOR
Measure the voltage between the
N o . 2 t e r m i n a l o f t h e
20-P connector and body ground.
View from terminal side
When the TCS indicator light
When the TCS indicator light re-
m a i n s OFF: is there no voltage?
Check for poor connections or poor connections or
I
I
NOTE:
Since there is a capacitor inside the TCS
I
trot unit, the battery voltage can be measured if the
Measure the voltage between the
No. 23, No. 24 terminals of the
1 O-P connector for the TCS
trol unit and body ground.
fail-safe relay system is properly.
LT WIRE
Is there battery voltage?
YES
10-P CONNECTOR
page 19-l 27)
N O
Turn the ignition switch OFF.
Disconnect the 1 O-P connector
from the TCS control unit and 4-P
connector from the fail-safe
relay.
Check for continuity between the
N O
1
Repair open in the LT
w i r e s b e -
tween the TCS control
unit and fail-safe relay.
View from terminal side
LT WIRE
\ LT WIRE
1 O - P C O N N E C T O R
View from terminal side
l
Check for poor connections or
loose wires.
l
Substitute a known-good TCS
control unit and recheck.
“CONNECTOR