ELECTRONIC TECHNICIAN (ET) TROUBLESHOOTING - Continued
CORRECTIVE ACTION - Continued
g. If the voltmeter measures 5 +/- 0.2 Vdc when the engine is cranking, the
ECM is OK. Proceed to STEP 7.
h. If the voltmeter fails to measure 5 +/- 0.2 Vdc when the engine is cranking,
replace the ECM (Figure 6, Item 3) (WP 0084). Verify the problem is
Reconnect ENG-P3 to the IAPCV.
Perform the Injection Actuation Pressure Test using the Cat ET.
a. Disconnect ENG-P3 from the IAPCV (WP 0102), FO-2, sheet 2.
Turn the ENGINE CONTROL switch to MANUAL START.
d. Run the Injection Actuation Pressure Test, located under the Diagnostics
menu on the Cat ET.
Step through all of the pressure ranges indicated by the test.
e. After performing the Injection Actuation Pressure Test, check for an active
42-E-11 diagnostic code.
If active 42-E-11 diagnostic code is still present, replace the IAPCV
(WP 0102). Rerun STEP
7 and verify the problem has been resolved.
g. Using the DEAD CRANK SWITCH, crank the engine three times at 30
seconds intervals. This will purge the air from the system.