TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
Table 1. Engine Troubleshooting - Continued.
TEST OR INSPECTION
(g) J200/P200 boost pressure sensor
19. Intermittent Engine
connector (WP 0065 00).
Shutdown - Continued
connector (WP 0164 00).
9. Perform Electrical Power Supply
If problem still exists, go to Test 10.
10. Inspect battery wires from engine ECM 1. If damaged, replace wiring harness(es)
back to battery compartment. Inspect
(WP 0169 00 thru WP 0175 00).
wires and power relay. Check power
2. If problem still exists, go to Fuel
and ground connections to engine
ECM. Refer to Electrical System
Inspection Pump Circuit Test (WP
1. Determine if ambient air temperature is 1. Determine cause of high air
20. Inlet Air Temperature is
within design specifications for
temperature. Make corrections when
2. If problem still exists, go to Test 2.
2. Refer to Malfunction 21, Coolant
If problem still exists, go to Test 3.
Temperature is Too High in this work
package to continue troubleshooting.
N OT E
When inlet air pressure is low, turbocharger works harder in order to
achieve desired inlet manifold pressure. This increases inlet air temperature.
3. Check restriction indicator on air
1. If restriction is indicated, clean or
replace air cleaner elements (WP 0032
00), remove any blockages or
restrictions, and replace damaged air
inlet and exhaust system lines or hoses
(WP 0033 00 and WP 0041 00).
2. If problem still exists, go to Test 4.
4. Connect MSD (WP 0006 00). Allow air 1. If reading is not correct, switch sensor
inlet temperature sensor to cool and
with a sensor that is know to be good.
remove it (WP 0064 00). Plug it into
2. If problem still exists, go to Test 5.
harness and check reading for inlet air
temperature using ET. If sensor is OK,
reading and ambient temperature are
5. Check for sufficient flow of air through If air flow across aftercooler is insufficient,
clean aftercooler (WP 0034 00).