Pinpoint Test S: U3003:16 And U3003:17
- A1 RETRIEVE ALL CONTINUOUS MEMORY DIAGNOSTIC TROUBLE CODES (CMDTCS) IN ALL MODULES
- Ignition ON.
- Using a diagnostic scan tool, retrieve ALL Continuous Memory Diagnostic Trouble Codes (CMDTCs).
Is DTC B1317, B1318, B1676, U3003:16 or U3003:17 present in one or more modules AND are any charging system Diagnostic Trouble Codes (DTCs) present in the PCM ?
- Yes
: Diagnose the charging system.
REFER to: CHARGING SYSTEM - 2.0L DURATEC-HE (125KW/170PS) - MI4 .
REFER to: CHARGING SYSTEM - 2.0L ECOBOOST (184KW/250PS) - MI4 .
- No : GO to A2
- A2 TEST BATTERY CONDITION
- Ignition OFF.
- Carry out the Battery Condition Test.
REFER to: BATTERY .
Did the battery pass the condition test?
- Yes
: If the battery passed the condition test but required a recharge, diagnose the charging system.
REFER to: CHARGING SYSTEM - 2.0L DURATEC-HE (125KW/170PS) - MI4 .
REFER to: CHARGING SYSTEM - 2.0L ECOBOOST (184KW/250PS) - MI4 .
CLEAR all Continuous Memory Diagnostic Trouble Codes (CMDTCs). If the battery passed the condition test and did not require a recharge, GO to A3
- No
: INSTALL a new battery.
REFER to: BATTERY .
CLEAR all Continuous Memory Diagnostic Trouble Codes (CMDTCs).
- A3 CHECK THE CHARGING SYSTEM VOLTAGE
- Ignition ON.
- Measure the voltage of the battery.
- For DTC U3003:17, turn off all accessories while measuring the battery voltage.
- For DTC U3003:16, turn on headlights and HVAC fan on high while measuring the battery voltage.
Is the voltage between 13 and 15.2 volts?
- Yes : For DTC U3003:16, GO to A4 For DTC U3003:17, GO to A6
- No
: Diagnose the charging system.
REFER to: CHARGING SYSTEM - 2.0L DURATEC-HE (125KW/170PS) - MI4 .
REFER to: CHARGING SYSTEM - 2.0L ECOBOOST (184KW/250PS) - MI4 .
- A4 CHECK FOR OPEN IGNITION CIRCUIT TO THE MODULE
- Ignition OFF.
- Depower the SRS
.
REFER to: SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPOWERING AND REPOWERING .
- Disconnect OCSM C3159 .
- Disconnect RCM C310A and C310B .
- For the RCM
, measure:
Positive Lead Measurement/Action Negative Lead C310A-24 Fuse 86 (10A) - For the OCSM
, measure:
Positive Lead Measurement/Action Negative Lead C3159-1 Fuse 86 (10A)
Is the resistance less than 1 ohm?
- Yes : GO to A5
- No
: REPAIR the circuit as necessary.
Refer to OEM CONNECTOR REPAIR PROCEDURES EXCEPT ELECTRIC--> for schematic and connector information.
CLEAR all Continuous Memory Diagnostic Trouble Codes (CMDTCs).
- A5 CHECK FOR OPEN GROUND TO THE MODULE
- For the RCM
, measure:
Positive Lead Measurement/Action Negative Lead RCM mounting bracket Ground - For the OCSM
, measure:
Positive Lead Measurement/Action Negative Lead C3159-4 Ground
Is the resistance less than 1 ohm?
- Yes : GO to A6
- No
: For the RCM
, VERIFY there is no corrosion between the RCM
and the mounting surface. VERIFY the fasteners are clean and tightened to specification with no corrosion. REPAIR as necessary.
Refer to OEM CONNECTOR REPAIR PROCEDURES EXCEPT ELECTRIC--> for schematic and connector information.
For the OCSM , REPAIR the circuit.
Refer to OEM CONNECTOR REPAIR PROCEDURES EXCEPT ELECTRIC--> for schematic and connector information.
CLEAR all Continuous Memory Diagnostic Trouble Codes (CMDTCs).
- For the RCM
, measure:
- A6 CHECK FOR MODULE OPERATION
- Depower the SRS
.
REFER to: SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPOWERING AND REPOWERING .
- Disconnect the module with the concern:
- For the RCM , disconnect C310A and C310B (if not previously disconnected).
- For the OCSM , disconnect OCSM C3159 (if not previously disconnected).
- Check for the following:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary
- Connect the module with the concern:
- For the RCM , connect C310A and C310B . Make sure the connector seats correctly and engage Connector Position Assurance (CPA) lever/lock.
- For the OCSM , connect OCSM C3159 . Make sure the connector seats correctly.
- Repower the SRS
. Do not prove out the SRS
at this time.
REFER to: SUPPLEMENTAL RESTRAINT SYSTEM (SRS) DEPOWERING AND REPOWERING .
- Operate the system and verify the concern is still present.
Is the concern still present?
- Yes
: CHECK OASIS
for any applicable Technical Service Bulletins (TSBs). If a TSB
exists for this concern, DISCONTINUE this test and FOLLOW TSB
instructions. If no Technical Service Bulletins (TSBs) address this concern, and DTC
U3003:16 or U3003:17 was present in the RCM
, INSTALL a new RCM
.
REFER to: RESTRAINTS CONTROL MODULE (RCM) .
If no Technical Service Bulletins (TSBs) address this concern, and DTC U3003:16 or U3003:17 was present in the OCSM , INSTALL a new OCSM .
- No : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR all Continuous Memory Diagnostic Trouble Codes (CMDTCs).
- Depower the SRS
.