Accumulator Gas Leakage - Honda Prelude 1993 Service Manual

Troubleshooting
Flowcharts (cont'd)
Diagnostic Troublo Codo {DTC) 1-8: Accumulator Gas Leakage
Chock tho tollowing itoms:
a The relief plug is loose.
a The reliet plug O-ring is out ol place.
a Bleed the high pressure line with the Bleeder T-wrench. Operate the ABS pump motor for 10 seconds and bleed the
high pressure line again with the Bleeder T-wrench. lf no tluid or more than 70 cc of lluid come out, replace the ABS
pump assembly.
BLEEDER T.WRENCH
07HAA-SGOOIO'l or
07t{AA-SG00100
RESERVOIR
ABS PUMP ASSEMELY
Diagnostic Trouble Code {DTC) 2-1: Parking Brake Stvitch Related Problom
lf the parking brake has been released. the following items are possible causes. lf they are OK, check the ABS control unit
connectors for good connection. lf not loose or disconnected, substitute a known-good ABS control unit and recheck.
NOTE: Before troubleshooting DTC 2-1, remove the ABS 82 {15 A) fuse in the under-hood fuse/relay box for three
seconds to clear the ABS control unit's memory, then test drive the car.
lf the ABS indicator light stays otf, the probability is that the car was driven with the parking brake applied.
a The parking brake is applied for more than 30 seconds while driving.
a The brake fluid level in the master cylinder is too low.
a GRN/RED wire is shorted between the brake system light and parking brake switch.
a GRN/RED wire is shoned between the brake system light and brake fluid level switch.
a The brake system light is blown
a GRNiRED wire has an open between the brake system light and the ABS control unit.
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