Diagnostic Procedure
Starter B+ power inspection
1.

Measure the potential (voltage drop) between terminal "B" of the starter and battery (+) terminal at IG key "START".

■ Specification : Below 500 mV

● (+) probe → "BATTERY" (+) terminal

● (-) probe → "START MOTOR" 'B' terminal

2.

Is measured potential (voltage drop) within specification?

▶ Go to "Starter Chassis ground Inspection" procedure as below.

▶ Repair open or poor connection in the harness between battery(+) terminal and terminal "B" of starter.

Starter chassis ground Inspection
3.

Measure the potential (voltage drop) between battery(-) terminal and chassis ground at IG key "START".

■ Specification : Below 500 mV

● (+) probe → "BATTERY" (-) terminal

● (-) probe → Chassis ground

4.

Is measured potential (voltage drop) within specification?

▶ Check engine stuck rotating engine crank shaft.

▶ Check poor connection of the starter.

▶ Repair or replace the starter.

▶ Repair open or poor connection in the harness between battery (-) terminal and chassis ground.

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