Honda Civic Service Manual page 758

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Troubleshooting Flowchart - Brake Switch Signal

Shift lever cannol b€ moved f.om

B pGition with the brako podrl

PCM CONNECTORS

Check Brako Light Operation:

Deoress the brake pedal.

Rop.ir faulty braks switch cilcuit

lsos soction 231.

Are the brake lights ON?

Measure SToP SW Vohag€:

1. Turn the ignition switch OFF.

2. Disconnect the A l32P) and D

{ l 6 P ) c o n n e c t o r s f r o m t h o

3. Measure the voltage belween

the D5 and A9 or A22 termi-

n a l s w i t h t h e b r a k e P e d a l

Rap.i. opon in the wira bctn oen

tha 05 terminal and tho btrkc

ls there battery voltage?

. Brake switch 3ign.l is OK.

. Ch6ck lor looao PCM oonnoctors.

It nocassary, aubctilute a known-

good PCM and r€check.

. Inspoct the brake switch circuit

{s6e section 231.

Wire side of lemale terminals

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