Prelude L4-2.3L DOHC (1992)
ABS Light: Testing and Inspection
The following is a list of problems and solutions related to the ABS indicator light circuit:
CAUTION: Use only the digital multimeter to check the system.
1. If the ABS indicator light does not go ON when the ignition switch is turned on, check the following items. If they are OK, check the ABS control
unit connectors. If not loose or disconnected, substitute a known-good ABS control unit and recheck:
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Blown ABS indicator light bulb.
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Open circuit in YEL wire between the No. 13 METER (10 A) fuse in the under-dash fuse/relay box and gauge assembly.
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Open circuit in BLU/RED wire between the gauge assembly and ABS control unit.
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Poor ground connection between the ABS control unit and the body.
2. If the ABS indicator light remains ON after the engine is started, however the ABS indicator light does not blink any DTC's, check the following
items:
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Loose or poor connection of the wire harness at the ABS control unit.
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Faulty ABS B2 (15 A) fuse in the under-hood fuse/relay box.
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Open circuit in WHT wire between the ABS B2 (15 A) fuse in the under-hood fuse/relay box and ABS control unit.
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Open circuit in BLK/YEL wire between the No. 9 R/C MIRROR (15 A) fuse in the under-dash fuse/relay box and ABS control unit.
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Short circuit in BLU/RED wire between gauge assembly and ABS control unit.
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Open circuit in WHT/BLU wire between alternator and ABS control unit.
If the problem is not found, substitute a known good ABS control unit and recheck whether the ABS indicator light remains ON.
