Inspection Procedures Using A Tester - Sakai R2-4 Shop Manual

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.
1) Measuring resistance using tester
1-1) Measuring resistance of equipment A (measuring resistance between terminals 1 and 3)
Equipment A
1
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.
10-004
Battery
Connector
Harness
2 3
Equipment A
1 5
Main power source Ground of
of equipment B equipment A
Equipment A
1 5
Main power source
of equipment B
1 2
2 3
Signal from
equipment A
Equipment B
1 2 3
Ohmmeter
(tester)
1 2 3
2 3 4
Ground of Signal from Power to
equipment A equipment A equipment A
Equipment B
3
4
Power to
equipment A
TS-10001
TS-10002