Jeep Wrangler TJ. Manual - part 15

TEST

ACTION

APPLICABILITY

WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
Disconnect the Passenger Airbag On - Off Switch.
NOTE: Check connectors - Clean and repair as necessary.
Measure the resistance between PAB On - Off Switch terminals 3 and 4.
Is the resistance below 14.0 ohms?

All

Yes

→ Go To 4

→ Replace the Passenger Airbag On - Off Switch in accordance with

the Service Information.
Perform __AIRBAG VERIFICATION TEST - VER 1.

WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION
OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE
PROCEEDING.
Disconnect the Airbag Control Module connector.
NOTE: Check connectors - Clean and repair as necessary.
WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY
TIME, IT MUST BE REPLACED. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT
AND PERSONAL INJURY OR DEATH.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION ON, THEN RECONNECT THE BATTERY.
Measure the voltage on the Passenger Airbag Indicator Driver circuit between the
PAB On - Off Switch connector and ground.
Is there any voltage present?

All

Yes

→ Go To 5

→ Go To 6

Remove the Fused Ignition Switch Output Run - Start circuit fuse.
Measure the voltage on the Passenger Airbag Indicator Driver circuit at the PAB On
- Off Switch connector.
Is there any voltage present?

All

Yes

→ Repair the Passenger Airbag Indicator Driver circuit shorted to

battery.
Perform __AIRBAG VERIFICATION TEST - VER 1.

→ Repair the Fused ignition Switch Output Run - Start circuit

shorted to the PAB Indicator Driver circuit.
Perform __AIRBAG VERIFICATION TEST - VER 1.

WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY
TIME, IT MUST BE REPLACED. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT
AND PERSONAL INJURY OR DEATH.
If there are no possible causes remaining, view repair.

All

Repair

WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED
AT ANY TIME, IT MUST BE REPLACED. Replace the Airbag
Control Module in accordance with Service Instructions.
Perform __AIRBAG VERIFICATION TEST - VER 1.

AIRBAG

PASSENGER OFF INDICATOR CIRCUIT SHORT TO BATTERY —

Continued

TEST

ACTION

APPLICABILITY

With the DRBIII

t, record and erase all DTC’s from all Airbag modules.

If equipped with Passenger Airbag On - Off switch, read the DTC’s in all switch
positions.
If any ACTIVE codes are present they must be resolved before diagnosing any stored
codes.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
Look for chaffed, pierced, pinched, or partially broken wires and broken, bent, pushed
out, spread, corroded, or contaminated terminals.
The following additional checks may assist you in identifying a possible intermittent
problem.
Reconnect any disconnected components and harness connector.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION ON, THEN RECONNECT THE BATTERY.
With the DRBIII

t monitor active codes as you work through the following steps.

WARNING: TO AVOID PERSONAL INJURY OR DEATH, MAINTAIN A SAFE
DISTANCE FROM ALL AIRBAGS WHILE PERFORMING THE FOLLOWING
STEPS.
Wiggle the wiring harness and connectors of the related airbag circuit or component.
If codes are related to the Driver Airbag circuits, rotate the steering wheel from stop
to stop.
IF only stored codes return continue the test until the problem area has been isolated
In the previous steps you have attempted to recreate the conditions responsible for
setting active DTC in question.
Are any ACTIVE DTCs present?

All

Yes

→ Select appropriate symptom from Symptom List.

→ No problem found at this time. Erase all codes before returning

vehicle to customer.

AIRBAG

PASSENGER OFF INDICATOR CIRCUIT SHORT TO BATTERY —

Continued

Symptom:

PASSENGER OFF INDICATOR CIRCUIT SHORT TO GROUND

When Monitored and Set Condition:

PASSENGER OFF INDICATOR CIRCUIT SHORT TO GROUND

When Monitored:

With the ignition on, the ACM monitors the PAB Indicator Driver

circuit for voltage from the PAB On - Off Switch indicator circuit.

Set Condition:

The code will set if the ACM cannot detect voltage on the PAB Indicator

Driver circuit.

POSSIBLE CAUSES

ACTIVE ACM RUN - START CODES

CHECKING EQUIPMENT

FUSED IGNITION SWITCH OUTPUT RUN - START

SWITCH DISCONNECTED

PAB ON - OFF INDICATOR OPEN

PASSENGER AIRBAG INDICATOR DRIVER CIRCUIT OPEN

PASSENGER AIRBAG INDICATOR DRIVER CIRCUIT SHORT

ACM, PASSENGER ON - OFF INDICATOR CIRCUIT OPEN

STORED CODE OR INTERMITTENT CONDITION

ACTIVE CODE PRESENT

TEST

ACTION

APPLICABILITY

Turn the ignition on.
NOTE: Ensure that the battery is fully charged.
NOTE: For the purpose of this test, the AECM and ORC modules will be
referred to as an ACM.
SELECT ACTIVE or STORED DTC:

All

ACM - ACTIVE DTC

Go To

ACM - STORED DTC

Go To

NOTE: When reconnecting Airbag system components, the ignition must be
turned off and the battery must be disconnected.

With the DRBIII

t, read active Airbag Control Module DTC’s.

Does the DRBIII

t display LOSS OF IGNITION RUN - START ?

All

Yes

→ Refer to symptom list for problems related to Loss of Ignition Run

- Start active diagnostic trouble code test.
Perform __AIRBAG VERIFICATION TEST - VER 1.

→ Go To 3

AIRBAG

TEST

ACTION

APPLICABILITY

Is this vehicle equipped with a Passenger Airbag On - Off Switch?

All

Yes

→ Go To 4

→ With the DRBIIIt in MISCELLANEOUS, read the Configure for

Airbag ON - OFF Switch current status. Enter the number 1 and
press enter to re configure the ACM for NO AIRBAG ON/OFF
SWITCH.
Perform __AIRBAG VERIFICATION TEST - VER 1.

Gain access to the Passenger Airbag On - Off Switch connector.
Is the Passenger Airbag On - Off Switch connected to the dash harness?

All

Yes

→ Go To 5

→ Connect the Passenger Airbag On - Off switch to the dash harness

connector.
Perform __AIRBAG VERIFICATION TEST - VER 1.

WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION
OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE
PROCEEDING.
Disconnect the Passenger On - Off Switch connector.
NOTE: Check connectors - Clean and repair as necessary.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION
ON, THEN RECONNECT THE BATTERY.
Measure the voltage on the Fused Ignition Switch Output Run - Start circuit between
the PAB On - Off Switch connector and ground.
Is the voltage above 10.0 volts?

All

Yes

→ Go To 6

→ Repair the open Fused ignition Switch Output Run - Start circuit.

Perform __AIRBAG VERIFICATION TEST - VER 1.

WARNING: TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND
WAIT TWO MINUTES BEFORE PROCEEDING.
Disconnect the Passenger Airbag On - Off Switch.
NOTE: Check connectors - Clean and repair as necessary.
Measure the resistance between PAB On - Off Switch terminals 3 and 4.
Is the resistance approximately 14 ohms?

All

Yes

→ Go To 7

→ Replace the Passenger Airbag ON - OFF Switch in accordance

with the service information.
Perform __AIRBAG VERIFICATION TEST - VER 1.

AIRBAG

PASSENGER OFF INDICATOR CIRCUIT SHORT TO GROUND —

Continued

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