Injection Actuation Pressure

298

TM 9-2320-312-24-2

Troubleshooting Section

The following fault codes might be currently

i01856391

active codes or logged event codes: 164-00,

Injection Actuation Pressure -

164-02, and 164-11.

Test

Complete the following test steps. Circle the

appropiate answers in the Results section of each

SMCS Code: 1714-081

test step and return with the fuel system component.

System Operation Description:

A. Connect the electronic service tool to the service

tool connector.

Use the steps that follow to check the operation of

the HEUI fuel system. Circle the appropriate answer

B. Turn the ignition keyswitch to the ON position but

in the Results section of each step. Complete the

do not start the engine.

pages. Return the pages with any of the requested

parts through the part return system.

C. Print the "Lifetime Totals" and the "Configuration"

screen.

D. Check for active diagnostic codes.

Expected Result:

There are no active diagnostic codes with the

keyswitch in the ON position and the engine off.

Results:

OK There are no active codes. Proceed to Test

Step 2.

Not OK Active codes are present with the

keyswitch in the ON position and the engine off.

Repair: Refer to Troubleshooting, "Injection

Actuation Pressure Sensor - Test" if 164-03 or

164-04 is active.

Call technical support if 164-00, 164-02, or

164-11 is active.

STOP.

Test Step 2. Check the Engine Oil Level

g00725749

Illustration 125

A. Check the engine oil level.

HEUI fuel system components (typical example)

B. If the engine oil level is low add oil to the engine.

Test Step 1. Symptoms

C. Try to start the engine.

The following symptoms may occur if there is a

problem with the HEUI fuel system:

Expected Result:

The engine cranks but the engine will not start.

The engine starts.

The engine runs rough.

Results:

The engine is erratic or unstable at idle or running.

Yes The engine starts. Proceed to Test Step 9.

Low power

No The engine does not start. Proceed to Test

Step 3.