Jeep Wrangler TJ. Manual - part 180

TEST

ACTION

APPLICABILITY

If there are no possible causes remaining, view repair.

All

Repair

Replace and program the Sentry Key Immobilizer Module in
accordance with the Service Information.
Perform SKIS VERIFICATION.

Turn the ignition off.
Note: Visually inspect the related wiring harness. Look for any chafed,
pierced, pinched, or partially broken wires.
NOTE: Visually inspect the related wiring harness connectors. Look for
broken, bent, pushed out, or corroded terminals.
Note: Refer to any Technical Service Bulletins (TSB) that may apply.
Were any problems found?

All

Yes

→ Repair wiring harness/connectors as necessary.

Perform SKIS VERIFICATION.

→ Test Complete.

445

VEHICLE THEFT/SECURITY

TRANSPONDER COMMUNICATION FAILURE —

Continued

Verification Tests

42RLE TRANSMISSION VERIFICATION TEST - VER 1

APPLICABILITY

1. Connect the DRBIII

t to the Data Link Connector (DLC).

2. Reconnect any disconnected components.
3. With the DRBIII

t, erase all Transmission DTC’s, also erase the PCM DTC’s.

4. NOTE: Erase DTC P0700 in the PCM to turn the Malfunction Indicator Lamp (MIL)
off after making Transmission repairs.
5. With the DRBIII

t, display Transmission Temperature. Start and run the engine until the

Transmission Temperature is HOT - above 43° C or 110° F.
6. Check the Transmission Fluid and adjust if necessary. Refer to the Service information for
the Fluid Fill procedure.
7. NOTE: If the Transmission Control Module or the Transmission has been repaired
or replaced it is necessary to perform the DRBIII

t Quick Learn Procedure and reset

the

(Pinion Factor(

8. Road test the vehicle. With the DRBIII

t, monitor the engine RPM. Make 15 to 20 1-2, 2-3,

3-4 upshifts. Perform these shifts from a standing start to 45 MPH with a constant throttle
opening of 20 to 25 degrees.
9. Below 25 MPH, make 5 to 8 wide open throttle kickdowns to 1st gear. Allow at least 5 seconds
each in 2nd and 3rd gear between each kickdown.
10. For a specific DTC, drive the vehicle to the Symptom’s When Monitored/When Set
conditions to verify the DTC repair.
11. If equipped with AutoStick

t, up-shift and down-shift several times using the AutoStickt

feature during the road test.
12. NOTE: Use the EATX OBDII Task Manager to run Good Trip time in each gear, this
will confirm the repair and to ensure that the DTC has not re-matured.
13. Check for Diagnostic Trouble Codes (DTC’s) during the road test. If a DTC sets during the
road test , return to the Symptom list and perform the appropriate Symptom.
Were there any Diagnostic Trouble Codes (DTCs) set during the road test?

All

Yes

→ Refer to the Symptom List for appropriate Symptom(s).

→ Repair is complete.

BODY VERIFICATION TEST - VER 1

APPLICABILITY

1. Disconnect all jumper wires and reconnect all previously disconnected components and
connectors.
2. NOTE: If the SKIM or PCM was replaced, refer to the service information for
proper programming procedures.
3. NOTE: If the MIC was replaced, configure new cluster with Tire Size, Axle, T-Case
Type, and EQ Setting.
4. Ensure all accessories are turned off and the battery is fully charged.
5. With the DRBIII

t, record and erase all DTC’s from ALL modules. Start and run the engine

for 2 minutes. Operate all functions of the system that caused the original concern.
6. Turn the ignition off and wait 5 seconds. Turn the ignition on and using the DRBIII

t, read

DTC’s from ALL modules.
Are any DTCs present or is the original condition still present?

All

Yes

→ Repair is not complete, refer to the appropriate symptom.

→ Repair is complete.

446

VERIFICATION TESTS

POWERTRAIN VERIFICATION TEST VER - 1

APPLICABILITY

1. NOTE: After completing the Powertrain Verification Test the Transmission Verifi-
cation Test must be performed.
2. NOTE: If the PCM has been replaced and the correct VIN and mileage have not
been programmed, a DTC will set in the ABS Module, Airbag Module and the SKIM.
3. NOTE: If the vehicle is equipped with a Sentry Key Immobilizer System, Secret Key
data must be updated. Refer to the Service Information for the PCM, SKIM and the
Transponder (ignition key) for programming information.
4. Inspect the vehicle to ensure that all components related to the repair are properly installed
and connected.
5. Inspect the engine oil for fuel contamination. Replace the oil and filter as necessary.
6. Attempt to start the engine.
7. If the No Start condition is still present, refer to the symptom list and perform the diagnostic
testing as necessary. Refer to any Technical Service Bulletins that may apply.
8. Run the engine for one warm-up cycle to verify operation.
9. With the DRBIII

t, confirm that no DTCs or Secondary Indicators are present and that all

components are functioning properly.
Are any DTCs or symptoms remaining?

All

Yes

→ Check for any related Technical Service Bulletins and/or refer to the

appropriate Symptom list (Diagnostic Procedure).

→ Repair is complete.

POWERTRAIN VERIFICATION TEST VER - 2

APPLICABILITY

t, clear DTCs and Reset Memory all engine values.

6. Run the engine for one warm-up cycle to verify proper operation.
7. Road test the vehicle. Use all accessories that may be related to this repair.
8. With the DRBIII

t, confirm that no DTC’s or Secondary Indicators are present and that all

components are functioning properly.
9. If this test is being performed after a No Trouble Code test, verify the symptom is no longer
present.
Are any DTCs or symptoms remaining?

All

Yes

→ Check for any related Technical Service Bulletins and/or refer to the

appropriate Symptom list (Diagnostic Procedure).

→ Repair is complete.

447

VERIFICATION TESTS

Verification Tests —

Continued

POWERTRAIN VERIFICATION TEST VER - 3

APPLICABILITY

t, clear DTCs.

6. Perform generator output test. Refer to the appropriate service information as necessary.
7. Start the engine and set engine speed to 2000 RPM for at least thirty seconds.
8. Cycle the ignition key off and on.
9. With the DRBIII

t, read the DTCs.

Are any DTCs or symptoms remaining?

All

Yes

→ Check for any Technical Service Bulletins and/or refer to the appropriate

Symptom list (Diagnostic Procedure).

→ Repair is complete.

448

VERIFICATION TESTS

Verification Tests —

Continued

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