NOTE: Diagnostic trouble codes (DTCs) are kept in
the controller’s memory until either erased by the
technician using the DRBIIIT, or erased automati-
cally after 3500 miles or 255 ignition key cycles,
whichever occurrs first. DTCs are retained by the
controller even if the ignition is turned off or the
battery is disconnected. More than one DTC can be
stored at a time. When accessed, the number of
occurrences and the DTC that is stored are dis-
played.
If no problems are observed, it will be necessary to
road test the vehicle.
Many ABS conditions judged to be a problem by
the driver may be normal operating conditions. To
become familiarized with the normal operating char-
acteristics of this antilock brake system, (Refer to 5 -
BRAKES - ABS OPERATION).
WARNING: CONDITIONS THAT RESULT IN TURNING
ON THE RED BRAKE WARNING INDICATOR LAMP
MAY INDICATE REDUCED BRAKING ABILITY.
Before road testing a brake complaint vehicle, note
whether the red BRAKE warning indicator lamp,
amber ABS warning indicator lamp, or both are
turned on. If it is the red BRAKE warning indicator,
there is a brake hydraulic problem that must be cor-
rected before driving the vehicle (Refer to 5 -
BRAKES - BASE - DIAGNOSIS AND TESTING). If
the red BRAKE warning indicator is illuminated,
there is also a possibility that there is an ABS prob-
lem and the amber ABS warning indicator is not able
to illuminate, so the MIC turns on the red BRAKE
warning indicator by default.
If the amber ABS warning indicator is on, road test
the vehicle as described below. While only the amber
ABS warning indicator is on, the ABS is not func-
tional. The ability to stop the car using the base
brake system should not be affected.
(6) Turn the key to the OFF position and then
back to the ON position. Note whether the amber
ABS warning indicator lamp continues to stay on.
(7) If the amber ABS warning indicator lamp stays
on, shift into gear and drive the car to a speed of
approximately 25 km/h (15 mph) to complete the ABS
Start-Up and Drive-Off Cycles (see Antilock Brake
System - Operation). If at this time the amber ABS
warning indicator lamp stays on, refer to the Appro-
priate Diagnostic Information.
(8) If the amber ABS warning indicator lamp goes
out at any time, drive the vehicle a short distance.
Accelerate the vehicle to a speed of at least 64 km/h
(40 mph). Bring the vehicle to a complete stop, brak-
ing hard enough to cause the ABS to cycle. Repeat
this action several times. Using the DRBIIIt, read
and record any Diagnostic Trouble Codes (DTCs). If
any DTCs are present, refer to the Appropriate Diag-
nostic Information.
SPECIFICATIONS
BRAKE FASTENER TORQUE
DESCRIPTION TORQUE
BRAKE TUBES:
Tube Nuts 17 N·m (145 in. lbs.)
MASTER CYLINDER:
Mounting Nuts 18 N·m (160 in. lbs.)
POWER BRAKE BOOSTER:
Mounting Nuts 34 N·m (300 in. lbs.)
DISC BRAKE CALIPER:
Caliper Banjo Bolt 48 N·m (35 ft. lbs.)
Guide Pin Bolts 22 N·m (192 in. lbs.)
Bleeder Screw 15 N·m (125 in. lbs.)
WHEEL CYLINDER (REAR):
Mounting Bolts 13 N·m (115 in. lbs.)
Bleeder Screw 10 N·m (80 in. lbs.)
DRUM BRAKE SHOE SUPPORT PLATE (REAR):
Mounting Bolts 75 N·m (55 ft. lbs.)
DISC BRAKE ADAPTER (REAR):
Mounting Bolts 75 N·m (55 ft. lbs.)
HUB AND BEARING (REAR):
Retaining Nut 217 N·m (160 ft. lbs.)
PARKING BRAKE:
Lever Mounting Nuts 28 N·m (250 in. lbs.)
TIRE AND WHEEL:
Wheel Mounting Nut 109–150 N·m (80–110 ft.
lbs.)
INTEGRATED CONTROL UNIT:
Mounting Bolts (to
Bracket)
11 N·m (97 in. lbs.)
CAB Mounting bolts 2 N·m (17 in. lbs.)
Bracket-to-Frame Rail
Bolts
23 N·m (200 in. lbs.)
WHEEL SPEED SENSOR:
Head Mounting bolt 12 N·m (105 in. lbs.)
PL BRAKES-ABS 5s - 29
BRAKES-ABS (Continued)
ProCarManuals.com
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