TM 5-3805-293-23-1
0011
Table 2. Engine Troubleshooting with Codes for the 120M Motor Grader - Continued.
CDI FMI CODE
ERROR/EVENT
CORRECTIVE ACTION
1589-04 Turbocharger Inlet
13. Install a jumper on connector FA-
Air Pressure Sensor Volt-
age Below Normal Code -
nal 9 and terminal 8.
Continued
harness connector FA-C17 (WP
less than 5.0 Ohms) - Engine ECM
0009, Figure 14) terminals 34 and
faulty, replace Engine ECM (WP
55.
0067).
Connect harness connector FE-C1
There should be good continuity.
Connect the turbocharger inlet air
pressure sensor harness connector
harness is open, replace rear chassis
wiring harness (WP 0189).
Connect the turbocharger inlet air
pressure sensor harness connector
Test Step 2. Test 5-Volt Circuit.
1. Turn the ignition switch to the
OFF position.
2. Disconnect harness connector
harness connector FA-C18 (WP
3. Turn the ignition switch to the ON
position.
Voltage OK - (4.84-5.16 Volts) -
sure for voltage between harness
Replace fuel wiring harness (WP
0064).
ure 28) terminal 7 and ground.
Voltage NOT OK - Proceed to step 5.
Voltage should be within 4.84 - 5.16
Volts.
5. Turn the ignition switch and bat-
tery disconnect switch to the OFF
position.
6. Disconnect harness connector
from Engine ECM J1 (WP 0067).
7. Install a jumper wire on connector
between terminals 7 and 8.
Change 1