TM 5-3805-291-23-1
ELECTRICAL SYSTEM TESTS, INSPECTIONS, AND ADJUSTMENTS - CONTINUED
0013 00
5V ENGINE PRESSURE SENSOR SUPPLY CIRCUIT TEST - CONTINUED
N OT E
Wait at least 15 seconds for diagnostic codes to become active.
d.
Check for either of these codes. If diagnostic codes are active, proceed to step 3.
(1)
262-03 5V Sensor DC Power Supply Short to +Batt
(2)
262-04 5V Sensor DC Power Supply Short to Ground
e.
If above diagnostic codes are logged ONLY, proceed to step 5.
f.
If diagnostic codes are not active or logged, exit this test.
3.
Disconnect pressure sensors and check for active diagnostic codes.
a.
Restore electrical power to engine ECM.
b.
Monitor active diagnostic code screen on ET while you disconnect each pressure sensor connector. Check for an
active 262-03 code or an active 262-04 code.
N OT E
Wait at least 30 seconds in order for diagnostic codes to become active.
4.
Disconnect the following sensors one at a time:
(1)
Atmospheric pressure sensor (WP 0073 00)
(2)
Intake manifold pressure sensor (WP 0084 00)
(3)
Engine oil pressure sensor (WP 0079 00)
(4)
Fuel pressure sensor (WP 0036 00)
(5)
Turbocharger inlet pressure sensor (WP 0074 00)
0013 00-9