2007 ISUZU KB P190 Workshop Repair Manual

open hood service interval reset change time check transmission fluid oil change fuse box location

Page 3625 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Starting System – V6 Page 6D1-2–17

Starter Motor Ground Test
1 Using a multimeter set to measure voltage, connect
the multimeter’s positive lead (1) to the negative
battery post.

Conn

Page 3626 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Starting System – V6 Page 6D1-2–18

Cranking Voltage Test
1 Using a multimeter set to measure voltage, attach
the multimeter’s negative lead to ground and the
multimeter’s positive lead

Starting System – V6 Page 6D1-2–18

Cranking Voltage Test
1 Using a multimeter set to measure voltage, attach
the multimeter’s negative lead to ground and the
multimeter’s positive lead to starter solenoid
connector P – 3 pin 1 (3) of the solenoid switch.

Do not crank the engine for more than
30 seconds at a time. Allow 2 minutes for
the starter motor to cool down between
tests.
3 Crank the engine.
4 Record the voltage that displayed during cranking.
Minimum cranking
voltage.................................................................9.0 V
5 Remove and repair or replace the starter motor and solenoid switch if the voltage is below the
specifications and cranks poorly. Refer to 4
Major Service Operations. Figure 6D1-2 – 7

Current Draw Test
1 Using a multimeter set to measure voltage, attach the multimeter’s positive lead to the positive battery post.
2 Attach the same multimeter’s negative lead to the negative battery post.
3 Using a multimeter set to measure current, attach the multimeter’s positive lead to the battery post.
4 Connect the negative lead of the multimeter set to measure current to a battery loading device, for example a carbon pile.
5 Connect the free lead of the battery loading device to the negative battery terminal.
6 Set the battery loading device to maximum resistance (open).
7 Crank the engine.
8 Record the voltage that displayed during cranking.
9 W ith the ignition in the OFF position, adjust the battery loading device so the reading of the multimeter set to measure voltage matches the reading recorded in the last step.
10 Record the current draw from the battery loading device.
11 Set the battery loading device back to ‘open’.
12 Check the current draw is within specifications.
Cranking current range ................................ 100 – 140 A
13 Remove and repair or replace the starter motor and solenoid switch if the current draw is outside the specification. Refer to 4 Major Service Operations.

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

Page 3627 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Starting System – V6 Page 6D1-2–19

4 Major Service Operations

Disconnection of the battery affects certain
vehicle electronic systems. Refer to 00
Warnings, Cautions and Notes before
d

Page 3628 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Starting System – V6 Page 6D1-2–20

6 Fit the rear lifting brackets: EN–46114 (1) to the
engine, then hook the chains from the engine hoist
onto the rear lifting bracket.
7 Remove the oi

Page 3629 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Starting System – V6 Page 6D1-2–21

10 Unclip the oil level sensor harness from the heat shield
(1).
11 Remove the heat shield attaching screw (2).
12 Remove the lower starter motor attac

Page 3630 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Starting System – V6 Page 6D1-2–22

4.3 Starter Motor Bench Tests
Preliminary Checks
1 Check the drive assembly is fully retracted.
2 Check the drive assembly pinion turns freely on the p

Page 3631 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Starting System – V6 Page 6D1-2–23

Hold-in Test
1 Connect the starter motor to an auxiliary battery, as
follows:
a Connect the test lead (1) between the battery negative post to the sole

Page 3632 of 6020

ISUZU KB P190 2007 Workshop Repair Manual Starting System – V6 Page 6D1-2–24

No Load Test
1 Clamp the starter motor securely to a test bench.
2 Connect the starter motor as shown in Figure 6D1-2 – 18, Close the start switch to

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