Operation CHARM
: Car repair manuals for everyone.
Hosted by
mcallihan.com
Home
>>
Honda
>>
1989
>>
Accord L4-1955cc 2.0L SOHC 2-bbl
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Computers and Control Systems
>>
Testing and Inspection
>>
Component Tests and General Diagnostics
>>
Input Troubleshooting
>>
Vacuum Switch B
Vacuum Switch B
Vacuum Switch B
The vacuum switch B signals the
control unit
when the vacuum level is
below 1.2 (30 mmHg)
.