Honda Acura NSX 1991 Service Manual page 737

Troubleshooting
Flowcharts (cont'd)
(From page 19-48)
between the
Check for voltage
No. 4 ~terminal
ground i-1.
Y E S
Check for voltage between the
No. 2 (WHT/BLU) terminal (+I of
the pump motor and body
ground t-1.
Problem code 2: Parking Brake Switch Related Problem
If the parking brake has been released, the following items are possible causes. If they are OK, check the control unit con-
nectors for good connection. If not loose or disconnected, substitute a known-good control unit and recheck.
NOTE: Before Troubleshooting Problem Code 2, remove the ALB 2,3 (No. 32) fuse for three seconds to clear the
control unit's memory, then test drive the car.
If the anti-lock brake system indicator light stays off, the probability is that the car was driven with the parking brake
applied.
The parking brake is applied for more than 30 seconds while driving.
l
The brake fluid level in the master cylinder is too low.
l
.
. GRN/RED wire is shorted between the (1 indicator light and brake fluid level switch.
. The WJ indicator light is blown.
. GRNlRED has an open between the (1 indicator light and parking brake switch.
l
19-50
box.
Faulty main relay
JUMPER WIRE
1
HARNESS SIDE CONNECTOR
View from terminal side.
View from
terminal side.