SiUS04-904 Check
152 Service Diagnosis
5.1.15 Main Circuit Short Check
Check No.29 Measure the resistance between pins at both ends of DB1.
If the resistance is or less than 1 k, the main circuit short.
(–) terminal of the tester
(in case of digital,
(+) terminal)
(~) (+) (~) (–)
(+) terminal of the tester
(in case of digital,
(–) terminal)
(+) (~) (–) (~)
Resistance in OK
several k
~several M
several k
~several M
Resistance in NG 0 or 0 0 0 or