Pinpoint Test Aba: Right Front Impact Sensor (Includes Invalid Serial Data Received)

ABA1 : CHECK FOR DTC U3003:16 AND U3003:17

NOTE: Diagnose all network-related (lost communication) DTCs first.

Ignition ON, engine OFF.
Carry out the RCM self-test.
Is DTC U3003:16 or U3003:17 retrieved DTC during the self-test?

Yes	No
REFER to the DTC/SYMPTOM CHART .	Go to ABA2 .

ABA2: Retrieve RCM DTCS

WARNING: Before beginning any service procedures in this service information, refer to Safety Warnings in appropriate GENERAL INFORMATION article.

Ignition ON, engine OFF.
Carry out the RCM self-test.

Yes	No
This fault cannot be cleared until it is corrected and the DTC is no longer retrieved on-demand during self-test. For DTC B0095:11, B1417:11, Go to ABA3 . For DTC B0095:81, B0095:93, B1417:81 or B1417:93, Go to ABA6. For all others, No fault found.	This is an intermittent fault when present as a CMDTC only. Go to ABA12.

ABA3: CHECK THE RIGHT FRONTAL RESTRAINTS SENSOR DTC FOR A FAULT STATUS CHANGE (SHORT TO GROUND INDICATED)

NOTE: This pinpoint test step attempts to change the fault reported by the RCM by inducing a different fault condition. If the reported fault changes, this indicates the RCM is functioning correctly and is not the source of the fault.

Ignition OFF.
Depower the SRS. Refer to appropriate SUPPLEMENTAL RESTRAINT SYSTEM article.
Right Front Impact Sensor connector disconnected. For RHD (right-hand drive) vehicles, remove the air cleaner. Refer to the appropriate Engine article for the procedure.
Repower the SRS. Refer to appropriate SUPPLEMENTAL RESTRAINT SYSTEM article.
Ignition ON, engine OFF.
Carry out the RCM self-test.

Yes	No
INSTALL a new right front impact sensor. REFER to the appropriate SUPPLEMENTAL RESTRAINT SYSTEM article	Go to ABA4 .

ABA4: CHECK THE RIGHT FRONT IMPACT SENSOR FEED CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.
Depower the SRS. Refer to appropriate SUPPLEMENTAL RESTRAINT SYSTEM article.
RCM_A connector disconnected. (C310A)
RCM_B connector disconnected. (C310B)

Measure the resistance between:

(+) Right Front Impact Sensor Connector, Harness Side	(-)
RF_IMP_SVRTY_SN_FD	Ground

Is the resistance greater than 10, 000 ohms?

Yes	No
Go to ABA5 .	REPAIR the circuit. Go to ABA13.

ABA5: CHECK FOR A SHORT BETWEEN RIGHT FRONT IMPACT SENSOR CIRCUITS

Measure the resistance between:

(+) Right Front Impact Sensor Connector, Harness Side	(-) Right Front Impact Sensor Connector, Harness Side
RF_IMP_SVRTY_SN_FD	RF_IMP_SVRTY_SN_RTN

Is the resistance greater than 10, 000 ohms?

Yes	No
Go to ABA10.	REPAIR the circuit. Go to ABA13.

ABA6: CHECK THE RIGHT FRONT IMPACT SENSOR AND RCM CONNECTIONS (INVALID SERIAL DATA RECEIVED OR NO OPERATION INDICATED)

Ignition OFF.
Depower the SRS. Refer to appropriate SUPPLEMENTAL RESTRAINT SYSTEM article.
Inspect the right Front Impact Sensor electrical connector to make sure it is fully seated and locked. Seat and lock the connector as necessary.
- For RHD vehicles, remove the air cleaner. Refer to the appropriate Engine article for the procedure.
Gain access to the RCMand inspect both connectors to make sure they are fully seated and locked. Seat and lock the connectors as necessary.
Repower the SRS. Refer to appropriate SUPPLEMENTAL RESTRAINT SYSTEM article.
Ignition ON, engine OFF.
Carry out the RCM self-test.

Yes	No
For DTC B0095:93, B1417:93, Go to ABA7 . For DTC B0095:81, B1417:81, Go to ABA8. For all others, No fault found.	The fault has been corrected. Go to ABA13.

ABA7: CHECK THE RIGHT FRONT IMPACT SENSOR FEED CIRCUIT FOR A SHORT TO VOLTAGE (NO OPERATION INDICATED)

Ignition OFF.
Depower the SRS. Refer to appropriate SUPPLEMENTAL RESTRAINT SYSTEM article.
Right Front Impact Sensor connector disconnected.
RCM_A connector disconnected. (C310A)
RCM_B connector disconnected. (C310B)
Repower the SRS. Refer to appropriate SUPPLEMENTAL RESTRAINT SYSTEM article.
Ignition ON, engine OFF.

Measure the voltage between:

(+) Right Front Impact Sensor Connector, Harness Side	(-)
RF_IMP_SVRTY_SN_FD	Ground
RF_IMP_SVRTY_SN_RTN	Ground

Is any voltage present?

Yes	No
REPAIR the circuit. Go to ABA13.	Go to ABA9.

ABA8: CHECK THE RIGHT FRONT IMPACT SENSOR CIRCUITS FOR AN OPEN

Ignition OFF.
Depower the SRS. Refer to appropriate SUPPLEMENTAL RESTRAINT SYSTEM article.
Right Front Impact Sensor connector disconnected.
RCM_A connector disconnected. (C310A)
RCM_B connector disconnected. (C310B)

Measure the resistance between:

(+) RCM_A (C310A) Connector, Harness Side	(-) Right Front Impact Sensor Connector, Harness Side
RF_IMP_SVRTY_SN_FD	RF_IMP_SVRTY_SN_FD
RF_IMP_SVRTY_SN_RTN	RF_IMP_SVRTY_SN_RTN

Are the resistances less than 0.5 ohms?

Yes	No
Go to ABA9 .	REPAIR the circuit. Go to ABA13.

ABA9: CHECK THE RIGHT FRONTAL RESTRAINTS SENSOR DTC FOR A FAULT STATUS CHANGE (INVALID DATA RECEIVED OR NO OPERATION INDICATED)

Ignition OFF.
Depower the SRS. Refer to appropriate SUPPLEMENTAL RESTRAINT SYSTEM article.
RCM_A connector connected. (C310A)
RCM_B connector connected. (C310B)

Connect a 5 amp fused jumper wire between the following:

Point A Right Front Impact Sensor Connector, Harness Side	Point B Right Front Impact Sensor Connector, Harness Side
RF_IMP_SVRTY_SN_FD	RF_IMP_SVRTY_SN_RTN

Repower the SRS. Refer to appropriate SUPPLEMENTAL RESTRAINT SYSTEM article.
Ignition ON, engine OFF.
Carry out the RCM self-test.

Yes	No
REMOVE the fused jumper wire. INSTALL a new right front impact sensor. Refer to appropriate SUPPLEMENTAL RESTRAINT SYSTEM article	REMOVE the fused jumper wire. Go to ABA10 .

ABA10: CONFIRM THE RCM FAULT

NOTE: Make sure all SRS components and the RCM electrical connectors are connected before carrying out the self-test. If not, DTCs are set.

Ignition OFF.
Depower the SRS. Refer to appropriate SUPPLEMENTAL RESTRAINT SYSTEM article.
Prior to reconnecting any previously disconnected SRS component:
- inspect connector(s) (including any inline connectors) for pushed-out, loose or spread terminals and loose or frayed wire connections at terminals.
- inspect wire harness for any damaged, pinched, cut or pierced wires.
- inspect the RCM Connector Position Assurance (CPA) lever/locks for correct operation.
- repair any concerns found. Refer to appropriate OEM Connector Repair Procedures article, for schematic and connector information.
Right Front Impact Sensor connector connected. (if previously disconnected).
RCM_A connector connected. (C310A) (if previously disconnected).
RCM_B connector connected. (C310B) (if previously disconnected).
Repower the SRS. Refer to appropriate SUPPLEMENTAL RESTRAINT SYSTEM article.
Ignition ON, engine OFF.
Carry out the RCM self-test.
Is the original DTC retrieved on-demand during self-test?

Yes	No
Go to ABA11 .	In the process of diagnosing the fault, the fault condition has become intermittent. Do not install any new SRS components at this time. Install SRS components only when directed to do so in the pinpoint test. Go to ABA12.

ABA11: CONFIRM THE REPAIR
- Ignition OFF.
- CHECK OAISIS for any applicable TSBs.
  - If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions.
  - If no TSBs address this conern, INSTALL a new RCM. Refer to Removal and Installation procedure in appropriate SUPPLEMENTAL RESTRAINT SYSTEM article.
INSTALL a new RCM.

Reconnect all previously disconnected SRS components and repower the SRS. Refer to appropriate SUPPLEMENTAL RESTRAINT SYSTEM article.

Carry out the OCSM and RCM self-test and record DTCs if present. Do not clear any DTCs until all DTCs have been resolved. DIAGNOSE and REPAIR the RCM and/or OCSM DTCs.

Carry out the OCSM and RCM self-test and record DTCs if present. Do not clear any DTCs until all DTCs have been resolved. Carry out the OCSM and RCM self-test and record DTCs if present. Do not clear any DTCs until all DTCs have been resolved.

If any SRS DTCs are retrieved, DO NOT clear any DTCs until all DTCs have been resolved. DIAGNOSE and REPAIR the RCM and/or OCSM DTCs.

If no DTCs are retrieved on-demand, the repair is complete. RETURN the vehicle to the customer.

ABA12 : CHECK FOR AN INTERMITTENT FAULT

Ignition OFF.
Depower the SRS. Refer to appropriate SUPPLEMENTAL RESTRAINT SYSTEM article.
Right Front Impact Sensor connector disconnected.
RCM_A connector disconnected. (C310A)
RCM_B connector disconnected. (C310B)
Inspect:
- connector(s) (including any inline connectors) for corrosion, loose or spread terminals and loose or frayed wire connections at terminals.
- wire harness for any damage, pinched, cut or pierced wires.
- the RCM Connector Position Assurance (CPA) lever/locks for correct operation.
- repair any concerns found. Refer to appropriate CONNECTOR REPAIR PROCEDURES in OEM Wiring Diagrams article, for schematic and connector information.
Connect all previously disconnected component(s)/connector(s).
Repower the SRS. Refer to appropriate SUPPLEMENTAL RESTRAINT SYSTEM article.
Ignition ON, engine OFF.
Carry out the RCM self-test.

Yes	No
This fault cannot be cleared until it is corrected and the DTC is no longer retrieved on-demand during self-test. For DTC B0095:11, B1417:11, Go to ABA3. For DTC B0095:81, B0095:93, B1417:81 or B1417:93, Go to ABA6. For all others, No fault found.	The fault is not present and cannot be recreated at this time. Do not install any new SRS components at this time. Install SRS components only when directed to do so in the pinpoint test. Go to ABA13 .

ABA13: CHECK FOR ADDITIONAL SRS DTCS

WARNING: Turn the ignition OFF and wait one minute to deplete the backup power supply. Failure to follow this instruction may result in serious personal injury or death in the event of an accidental deployment.

Ignition OFF.
Depower the SRS. REFER to the Supplemental Restraint System article (SRS) Depowering.
Reconnect all SRS components (if previously disconnected).
Repower the SRS. Refer to appropriate SUPPLEMENTAL RESTRAINT SYSTEM article.
Ignition ON, engine OFF.
Clear the RCM DTCs.
Ignition OFF.
Ignition ON, engine OFF.
Wait 10 seconds.
Carry out the RCM self-test.
If equipped, carry out the OCSM self-test.
Carry out the OCS self-test.
Are any RCM, OCSM and/or BECM-B DTCs retrieved on-demand during self-tests?

Yes	No
Do not clear any DTCs until all DTCs have been resolved. DIAGNOSE and REPAIR the RCM and/or OCSM DTCs.	The repair is complete. RETURN the vehicle to the customer.