G3 Check Anti-Lock Brake Warning Indicator Signal
- Key ON.
- Anti-lock brake control module disconnected.
- ABS relay disconnected.
- Connect the "Y/R" wire at the anti-lock brake control module and the "Y/R" wire at the anti-lock relay to ground.
- Does the anti-lock brake warning indicator illuminate when both wires are connected to ground?
YES -- Go to G4. G4 Check Grounds at ABS Control Module
NO -- (Does not illuminate at all). Replace the 15A METER fuse and/or warning indicator bulb if burned out. If OK, service "Y/R" wire from instrument cluster to anti-lock relay and/or anti-lock brake control module.
NO -- (Illuminates only when grounded at anti-lock brake control module). Service "Y/R" wire to anti-lock relay.
NO -- (Illuminates only when grounded at anti-lock relay). Service "Y/R" wire to anti-lock brake control module.