Brake Pedal Position Switch Signal Circuit Troubleshooting - Honda Accord 2008 Manual

07/11/02 09:17:10 61TA0000_110_0340
Idle Control System

Brake Pedal Position Switch Signal Circuit Troubleshooting

1. Turn the ignition switch to ON (II).
2. Check the BRAKE SWITCH in the DATA LIST with
the HDS.
Does it indicate OF F ?
YES − Go to step 3.
−
NO Inspect the brake pedal position switch
(see page 19-6).
3. Press the brake pedal, and check the BRAKE
SWITCH in the DATA LIST with the HDS.
Does it change to ON?
YES − The brake pedal position switch signal circuit
(BKSW line) is OK.
−
NO Go to step 4.
4. Turn the ignition switch to LOCK (0).
5. Jump the SCS line with the HDS.
6. Disconnect the brake pedal position switch 4P
connector.
7. Disconnect ECM/PCM connector A (49P).
11-340
8. Check for continuity between ECM/PCM connector
terminal A42 and body ground.
ECM/PCM CONNECTOR A (49P)
BKSW (LT GRN)
Terminal side of female terminals
Is there continuity?
YES − Repair short in the wire between the ECM/
PCM (A42) and the brake pedal position switch.
Replace the No. 10 HORN, STOP (20 A) fuse.
NO − Go to step 9.
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