Table 2. Engine Troubleshooting with Codes for the 120M Motor Grader - Continued.
CDI FMI CODE
Test Step 3. Test Voltage Supply
Current Below Normal -
1. Disconnect harness connector
harness connector FA-C18 (WP
Voltage OK - (18 - 24 Volts) - Fuel
sure voltage supply between har-
wiring harness is open, replace fuel
ness connector FA-C18 (WP
wiring harness (WP 0064).
0009, Figure 28) terminal 5 and 2
Voltage NOT OK - Proceed to step 3.
Voltage should be within 18 - 24 Volts.
3. Turn the ignition and battery dis-
connect switch to the OFF posi-
4. Disconnect the circuit breaker box
(twistlock) harness connector FA-
continuity between circuit breaker
less than 5.0 ohms) - Rear chassis
box (twistlock) harness connector
wire harness OK.
minal 7 and harness connector
is open, replace rear chassis wiring
harness (WP 0189).
Connect harness connector FE-C4
There should be good continuity.
Current Above Normal
ECM will log diagnostic code. A warn-
ing will appear on instrument panel.
Possible Performance Effect: