Sakai TW504 - Inspection Procedures Using a Tester

10-004
TROUBLESHOOTING
2-1-2. Inspection procedures using a tester
Some of the various inspection procedures are presented here for reference, using a sample circuit below.
3 4251
2 31
Equipment A
Battery
Main power source
of equipment B
Ground of
equipment A
Equipment B
Signal from
equipment A
Power to
equipment A
TS-10001
1) Measuring resistance using tester
1-1) Measuring resistance of equipment A (measuring resistance between terminals 1 and 3)
1 2 3
3 4251
2 31
2 31
TS-10002
Equipment A
Connector
Harness
Equipment A
Ohmmeter
(tester)
Equipment B
Main power source
of equipment B
Signal from
equipment A
Power to
equipment A
Ground of
equipment A
Inspection procedure
①
Disconnect the connector of equipment A.
②
Connect the test probe (+) to connector terminal 1 of equipment A and the test probe (-) to connector
terminal 3 of equipment A and measure the resistance. At this time, reversing the connector terminals
between the probes (+) and (-) does not make any difference in the measurement.