Honda Acura NSX 1991 Service Manual page 812

(From 19-l 24)
Measure the voltage between the
N o . 2 (RED/BRK,) terminal of the
20-P connector and body ground.
When the TCS indicator light re-
When the TCS indicator light re-
mains OFF: is there no voltage?
I
I
Measure the voltage between the
No. 23, No. 24 terminals of the
1 O-P connector for the TCS con-
trol unit and body ground.
Is there battery voltage?
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
1
N O
Repair open in the LT
tween the TCS control
unit and fail-safe relay.
Check for poor connections or poor
NOTE:
Since there is a capacitor inside the TCS con-
trot unit, the battery voltage can be measured if the
I
fail-safe relay system is f&rctioning
10-P CONNECTOR
YES
1 O-P CONNECTOR
l
loose wires.
Substitute a known-good TCS
l
control unit and recheck.
WIRE
View from terminal side
connections or
properly.
LT GRNlBRK WIRE
View from terminal side
LT GRNlBRK WIRE
\
View from terminal side
"CONNECTOR
LT GRNlBRK WIRE