Case IH AFX8010 Repair Manual page 1117

A-01 Iveco ECU
F-28 Fuel Pump Fuse
K-39 Grid Heater Relay
Engine starter - Testing (B.80.A.82 - G.40.A.20)
AFX8010
N° Test Point
1 Key Switch S-02 in the START
position.
Measure for 24 volts at B+ terminal
of 24V starter.
2 Key Switch S-02 in the START
position.
Measure for 24 volts at front battery
G-02 positive terminal.
3 Key Switch S-02 in the START
position.
Measure for 12 volts at 24V Start
Relay K-38 terminal 31A.
4 Key Switch S-02 in the START
position.
Measure for 12 volts at 24V Start
Relay K-38 terminal 30.
5 Key Switch S-02 in the OFF position.
Measure for 12 volts at the rear
battery G-03 positive terminal.
6 Key Switch S-02 in the START
position.
Measure for 24 volts at 24V Starter
motor M-29 terminal S.
POWER PRODUCTION - STARTING SYSTEM
E-36 Cold Start Indicator
K-07 Fuel Pump Relay
M-23 Fuel Pump
Expected Result
24 volts
If good reading,
Go to test 6
24 volts
Open circuit between 24V Starter
B+ terminal and front battery G-02
positive terminal. Check continuity
of cable and connections.
Caution: When performing
continuity tests on this circuit, ensure
that the cable is disconnected from
the positive battery terminal. Failure
to do so could result in damage to
the test meter.
12 volts
Open circuit between 24V Start
relay terminal 31A and front battery
G-02 negative terminal. Check
continuity of cable and connections.
Caution: When performing
continuity tests on this circuit, ensure
that the cable is disconnected from
the battery terminal. Failure to do
so could result in damage to the test
meter.
12 volts
Open circuit between 24V Start
Relay terminal 30 and terminal 31A.
Remove battery cables and check
continuity through energized relay.
Replace 24V Start Relay.
12 volts
Open circuit between 24V Start
Relay terminal 30 and rear battery
G-03 positive terminal. Check
continuity of cable and connections.
Caution: When performing
continuity tests on this circuit, ensure
that the cable is disconnected from
the positive battery terminal. Failure
to do so could result in damage to
the test meter.
24 volts
Go to test 8
9677 1 27/05/2004
B.80.A / 15
F-01 ECU Power Fuse
K-14 ECU Power Relay
R-09 Engine Grid Heater
Other Result (Possible Cause)
Open circuit in the battery circuit.
Go to test 2
If there is no voltage,
Go to test 3
If there is no voltage,
Go to test 4
If there is no voltage,
Go to test 5
If there is no voltage, there is an
open circuit between rear battery
G-03 negative terminal and chassis
ground, or a failed Battery Switch
S-52 (EU only). Check continuity of
cables and connections.
If there is no voltage,
Go to test 7