11-130-13 - FT86club.com
Contents
1. are for reference only There may be a small number of vehicles after the starting VINs listed above which do not have the countermeasure due to production sequence changes continued CAUTION VEHICLE SERVICING PERFORMED BY UNTRAINED PERSONS SUBARU OF AMERICA INC IS ISO COULD RESULT IN SERIOUS INJURY TO THOSE PERSONS OR TO OTHERS 14001 COMPLIANT Subaru Service Bulletins are intended for use by professional technicians ONLY They The international standard for excellence are written to inform those technicians of conditions that may occurin some vehicles or in Environmental Management Systems to provide information that could assist in the proper servicing of the vehicle Properly Please recycle or dispose of automotive trained technicians have the equipment tools safety instructions and know how to products in a manner that is friendly to our do the job correctly and safely If a condition is described DO NOT assume that this environment and in accordance with all Service Bulletin applies to your vehicle or that your vehicle will have that condition local state and federal laws and regulations Bulletin Number 11 130 13 Date 04 05 13 Page 1 PART INFORMATION e Shim Kit p n 10130AA060 contains 8 cam position sensor shims 0 1 to 0 8mm in thickness e Shim Kit p n 10130AA160 contains 8 cam position sensor shims same thicknesses to adjust the gap of the right hand Bank 1 exhaust camshaft position sensor on BRZ2. ATTENTION IMPORTANT All lt D SUBARU GENERAL MANAGER J Service Personnel PARTS MANAGER LJ Should Read and CLAIMS PERSONNEL Initial in the boxes AE RUSE MANAGER UL parm QUALITY DRIVEN SERVICE SERVICE BULLETIN APPLICABILITY 2013MY Legacy and Outback 2 5L Models NUMBER 11 130 13 2012 13MY Impreza 2 0L Models DATE 04 05 13 2013MY XV Crosstrek 2011 2014MY Forester NA Models Only 2013MY BRZ SUBJECT Difficulty Starting Rough Idle Cam Position or Misfire DTCs P0340 P0341 P0345 P0346 P0365 P0366 P0390 P0391 P0301 P0302 P0303 or P0304 INTRODUCTION This Bulletin provides inspection and repair procedures for intake and exhaust camshaft position related and or engine misfire DTCs for the FA and FB engine equipped models listed above The camshaft position sensor CPS clearance may be out of specification causing these condition s and one or more of the DTCs listed above to set In addition to a Check Engine light coming on there may or may not be customer concerns of rough idle extended cranking or no start NOTES e This Service Bulletin will replace Bulletin numbers 11 100 11R 11 122 12 11 124 12R and 11 125 12 e Read this Bulletin completely before starting any repairs as service procedures have changed e An exhaust cam position sensor clearance out of specification will NOT cause a startability issue COUNTERMEASURE IN PRODUCTION ES 5 Door D 835681 E 410570 p 607924 NOTE These VINs
3. ONLY e Camshaft position sensor o ring p n 13099AA050 one time use item NOTE The part numbers shown below are for reference only and cannot be ordered individually If a shim is required the corresponding shim kit must be ordered PART NUMBER PART NUMBER SHIM R H B1 INTAKE AND L H B2 a THICKNESS wae an EXHAUST ONLY EXHAUST ONLY MM MM MM 10130AA170 10130AA070 0 45 0 55 08 1 25 1 35 10130AA180 10130AA080 0 56 0 65 1 26 1 35 10130AA190 10130AA090 0 66 0 75 06 1 26 1 35 SPECIAL TOOLS e Pulse Analog Box SDI Box and SSMIII e Digital Caliper with depth attachment or 1 Depth Micrometer e Ifyou do not have a depth attachment or a 1 Depth Micrometer use a flat washer outside diameter 25 5mm inside diameter 11 1mm 7 72mm thick or equivalent The purpose of the flat washer is to provide a surface for the caliper to rest on while making the sensor clearance measurements Digital Caliper with Depth Attachment continued Bulletin Number 11 130 13 Date 04 05 13 Page 2 SERVICE PROCEDURE INFORMATION The Service Procedure of this Bulletin will have 2 sections one for the intake cam position sensors and a second for the exhaust Check the waveforms of the applicable sensor intake and or exhaust using the Pulse Analog Box SDI Box and the oscilloscope function of the SSMIII For detailed information and operating instructions refer to the applicable Service Manual or the Subaru Di
4. TACKING Repeat as necessary increasing the shim thickness 1 mm at a time until a normal scope pattern can be verified 4 After the correct shim is selected Install a new camshaft position sensor o ring one time use item Reinstall the camshaft position sensor and shim Torque the sensor retaining bolt to 6 4 Nm 4 7 ft Ibs or 56 4 inch pounds Reconnect the sensor engine wiring harness connector ea o Fp Reconnect the negative battery cable and reset the radio station presets and navigation system favorites if applicable to complete the repair 5 Be sure to clear the ECM memory before returning the vehicle to the customer WARRANTY CLAIM INFORMATION For vehicles within the Basic New Car Limited Warranty period this repair may be claimed using the following information Labor Description Labor Operation Fail Code Intake Cam Sensor Measurement A817 211 0 5 and Shim Installation Exhaust Cam Sensor Measurement UKM 20 7 A817 213 and Shim Installation Bulletin Number 11 130 13 Date 04 05 13 Page 12
5. after installing a 2mm shim under the RH cam sensor Proper Firing Orderis 3 2 4 1 RB 2 Firing Order shown in screen shot 4 2 4 1 4 2 continued Bulletin Number 11 130 13 Date 04 05 13 Page 5 Example 3 shows what appears to be an erratic signal from the RH cam sensor but you can see all the cam sensor data signal edges drops follow the chart and firing order as they are supposed to Other signal edges rises or drops outside the window or a longer time line as shown here prior to the 4 signal edges seen on the RH cam sensor pattern are examples of signals which will be ignored by the ECM and are not a cause for concern H4 1 3 H2 4 CRANK 25 000 T DES T F 3 489 j i ae W My i w A H a MMe iL my AN HHI nee Lt ULU A AAI Wi ALi CAM_RH 6 000 d l Vv 25V Range 1 000 25V Range 1 000 O CH4 6 000 0 025 V 25V Range 1 000 f E 250 msec div 0 250 500 750 continued Bulletin Number 11 130 13 Date 04 05 13 Page 6 IMPORTANT If you confirm an irregular wave form pattern BEFORE performing the measurement and shim selection procedures install a 2mm shim under the suspect intak
6. agnostic System SDS SSMIII User Guide Click on Help at the top of the SSMIII Main Menu screen for the User Guide and additional helpful information IMPORTANT When back probing the ECM connectors to attach oscilloscope leads refer to the wiring schematic for the specific DTC being diagnosed in the applicable Service Manual for proper connector and pin terminal locations Understanding the Relationships between the Crank and Camshaft Position Sensors When setting up your oscilloscope to check Camshaft Position Sensor data also select the Crankshaft Position Sensor data to help your understanding It is important to arrange your selections in the order shown in the following screen shot examples The Crank sensor data will make it easier to establish the firing order and identify cam sensor waveform inconsistencies Example 1 on the next page is a perfectly normal pattern for all 3 sensors Let s look at some specifics of the data which will help you determine a good pattern versus a bad one Looking at the crank signal on page 4 you will see the difference between what we will call Is a single spike and 2 s a double spike This helps establish the engine s firing order and what the corresponding cam sensor data should look like The ECM looks for the Edges of the cam position sensor voltage drops to be within specified time Window parameters The chart below Example 1 on the next page will h
7. e or exhaust camshaft position sensor If there is no change remove the 2mm shim and install a 4mm shim USE ONLY ONE SHIM PER SENSOR NO STACKING If the wave pattern is lost remove the 4mm shim and replace with a 3mm shim Recheck the pattern and if it appears normal complete the repair as shown below If an abnormal pattern persists proceed with the rest of the clearance measurement and shim selection procedures Install a NEW camshaft position sensor o ring one time use item Reinstall the camshaft position sensor and shim Torque the sensor retaining bolt to 6 4 Nm 4 7 ft Ibs or 56 4 inch pounds Reconnect the sensor engine wiring harness connector eo ao F Reconnect the negative battery cable then reset the radio station presets and navigation system favorites if applicable to complete the repair If an abnormal oscilloscope pattern persists for an intake sensor measure the clearance between the end of the camshaft position sensor and the sensor plate using the following procedure Ifa suspect pattern is verified for an exhaust sensor a revised procedure will be outlined later in this Bulletin If the pattern is normal refer to the applicable Service Manual for additional troubleshooting and diagnostic procedures for the stored DTCs MEASUREMENT AND SHIM SELECTION PROCEDURES The specified clearance is 1 3 05mm 1 25 to 1 35mm or 049 to 053 1 Record the customer s radio station presets and navigatio
8. elp bring this all together Range was set to 250 msec div so the crank signal would be easier to understand here continued Bulletin Number 11 130 13 Date 04 05 13 Page 3 25V Range 25 000 CAM_RH 6 000 0 226 V 25V Range 1 000 CAM_LH 6000 0 226 WV EXAMPLE 1 25V Range 1 000 0 OO eerie an e a O ansia oe ee 1s Cam Signal Enge Within Window RH Yes No ves ves 1s Cam Signal Edge Within Window LH Yes Ves No Yes NOTE A LH cam position sensor signal does not always indicate a corresponding 2 or 4 cylinder firing The same applies to the RH side Using the chart above and comparing it to Example 1 it can be determined the first cylinder shown in the screen shot is 3 because the crank signal is a 2 and there is an edge signal within the window on the LH but not the RH cam sensor Next cylinder in the firing order would be 2 as the crank position signal is a 1 and there is an edge signal in the window for the RH but not for the LH and so on continued Bulletin Number 11 130 13 Date 04 05 13 Page 4 Example 2 below shows a Bad pattern for the RH cam sensor Marks 1 and 2 show what appears to be 4 cylinder firing but the next cylinder to fire according to the screen shot is 2 followed by 4 then 1 The pattern for the RH sensor never shows the proper sequence to fire 3 cylinder In this case recheck the data again
9. ervice Manual Take a measurement and record the reading Rotate the engine clockwise approximately 70 Take a measurement and record the reading a e Use the smallest of the three measurements and record the result continued Bulletin Number 11 130 13 Date 04 05 13 Page 9 When taking measurement B use a flat steel ruler or equivalent along with the digital caliper 7 Measure the distance between the camshaft position sensor mounting surface and the bottom of the sensor as shown above IMPORTANT Be sure to account for the thickness of the flat washer if you are using one when performing your calculations to determine the required shim thickness The specified clearance is 1 3 05mm 1 25 to 1 35mm or 049 to 053 Example calculation the 1 72mm thickness of the flat washer is subtracted from A dimension A Top of timing chain cover to camshaft position sensor plate B Camshaft position sensor mating surface to the bottom of the sensor A 25 42 1 72 23 70 A 23 70 B 22 58 A B 1 12 clearance In this example a 0 2 shim is required Clearance mm Shim Thickness mm Target Gap mm 1 06 1 15 1 26 1 35 continued Bulletin Number 11 130 13 Date 04 05 13 Page 10 8 After the correct shim is selected and a normal oscilloscope pattern has been verified a Install a NEW camshaft position sensor o ring one time use item b Reinstall the ca
10. mshaft position sensor and shim c Torque the sensor retaining bolt to 6 4 Nm 4 7 ft Ibs or 56 4 inch pounds d Reconnect the sensor engine wiring harness connector e Reconnect the negative battery cable then reset the radio station presets and navigation system favorites if applicable to complete the repair BRZ EXHAUST CAMSHAFT POSITION SENSOR PROCEDURE In the event you have a DTC stored for an exhaust camshaft position sensor the repair procedure has been revised Due to the position of the right hand Bank 1 sensor measurement of the gap without removing the front catalyst is extremely difficult as shown in the photo below Cam Position Sensor Harness Connector In addition the engine under guards must be removed along with the plastic splash shield to access the left hand Bank 2 sensor As a solution the following procedure has been developed 1 Confirm the irregular oscilloscope pattern for the corresponding DTC stored 2 Remove the sensor from the timing cover and install a 2mm thick shim from the applicable kit 3 Reinstall the sensor torque the sensor retaining bolt to 6 4 Nm 4 7 ft lbs or 56 4 inch pounds then recheck the oscilloscope pattern continued Bulletin Number 11 130 13 Date 04 05 13 Page 11 If the pattern is normal the repair is complete If the irregular pattern persists repeat Steps 2 and 3 after removing the 2mm shim and installing a 3 mm thick shim ONE SHIM ONLY NO S
11. n system favorites if applicable 2 Disconnect the negative battery cable 3 Remove the camshaft position sensor from the timing chain cover using the procedure in the applicable Service Manual T 6 4 Nem 0 7 kgf m 4 7 ft lb Camshaft Sensor shim to be added continued Bulletin Number 11 130 13 Date 04 05 13 Page A Top of timing chain cover to camshaft position sensor plate B Camshaft position sensor mating surface to the bottom of the sensor a Camshaft position sensor plate NOTE When measuring A make sure you are measuring to the outside diameter or top of the sensor plate and not to the bottom of a notch as shown below Be sure to record all measurements Top of Plate continued Bulletin Number 11 130 13 Date 04 05 13 Page 8 Measurement taken using digital caliper with depth attachment IMPORTANT When using the flat washer make sure the washer is fully seated on the machined surfaces of the timing cover or your measurements will not be accurate Take a measurement and record the reading 2 Using a breaker bar and 22mm socket place the socket on the crankshaft pulley bolt and rotate the engine clockwise approximately 70 CAUTION Do not rotate the engine counter clockwise doing so will loosen the crankshaft pulley bolt If the engine is accidently turned counter clockwise make sure the bolt is re torqued following the proper procedure in the applicable S
Download Pdf Manuals
Related Search