Honda Acura NSX 1991, Service Manual, Page: 728 / 1420

ALB Checker
Function Test
NOTE:
The ALB checker is designed to confirm proper
operation of the anti-lock brake system by simulating
each system function and operating condition.
Before using the checker, confirm that the anti-lock
brake system indicator light is not indicating some
other problem with the system. The light should go
on when the ignition is first turned on and then go off
and stay off one second after the engine is started.
The checker should be used through modes, l-5, to
confirm proper operation of the system, in any one
of the following situations:
After replacing any anti-lock brake system
component.
After replacing or bleeding the system fluid
mode not necessary).
After any body or suspension repair that may
have affected the sensors or their wiring.
The procedure for modes l-5 are on this page and
19-42, mode 0 (wheel sensor signal) is on page
19-43.
Use the following models of the ALB checkers:
(US)
(CANADA)
the ALB checker before driv-
ing the car. A collision can result from a reduction, or
complete loss, of braking ability causing severe per-
sonal injury or death.
1 . With the ignition switch off, disconnect the 6-P in-
spection connector from the connector cover
located under the glove box and connect the 6-P in-
spection connector to the ALB checker.
BRAKE SYSTEM
CONNECTOR
COVER
ALBCHECKER
6-P INSPECTION
CONNECTOR
(Canada)
NOTE: Place the vehicle on level ground with the
wheels blocked, put the transmission in neutral for
manual transmission models, and in P for
automatic transmission models.
2. Start the engine and release the parking brake.
3. Operate the ALB checker as follows,
(1 the Mode Selector switch to “1
the Start Test switch:
The test in progress light should come ON.
In one or two more seconds, all four monitor
lights should come on (If not the checker is
faulty).
The anti-lock brake system indicator light should
not come ON (If it comes on the checker harness
to the 6-P connector connection is faulty).
NOTE: When test in progress indicator light ON,
don’t turn the Mode Selector switch.
Monitor Lights
Test in progress
Rear
I
l - - 5
.O’ ‘ 6
\
\
ON
Test
Selector
19-41