B22-009

Service Bulletin
April 9, 2022
22-009
Version 2
Warranty Extension: Engine Does Not Auto Restart After Entering Auto
Idle Stop
Supersedes 22-009, dated March 30, 2022, to revise the information highlighted in yellow.
AFFECTED VEHICLES
Year
Model
Trim Level
VIN Range
2015–20
TLX
V6 (SH-AWD)
Check the iN VIN status f or eligibility
REVISION SUMMARY
Under BACKGROUND, a note was added.
BACKGROUND
Under certain circumstances, af ter coming to a stop and engaging idle stop the vehicle may not restart automatically due to
excessive cylinder pressure and/or low cranking torque. Typically, the client can immediately restart the vehicle by
selecting Park and pressing the ENGINE START/STOP button.
NOTE: If 22-008 Product Update: 2015-20 TLX PGM-FI Idle Stop Sof tware Update is applicable to the VIN, the PGM-FI
sof tware must be updated f irst bef ore the warranty extension applies.
Acura is extending the warranty coverage f or valve adjustment and starter replacement related to this condition to 10 years
f rom the original date of purchase with no mileage limitation.
CLIENT NOTIFICATON
Owners of the af f ected vehicles will be sent a notif ication of this campaign.
Do an iN VIN status inquiry to make sure the vehicle is shown as eligible.
CORRECTIVE ACTION
Replace the starter assembly, stater relays and adjust the valves.
CLIENT INFORMATION: The information in this bulletin is intended for use only by skilled technicians who have the proper tools, equipment, and
training to correctly and safely maintain your vehicle. These procedures should not be attempted by “do-it-yourselfers,” and you should not assume this
bulletin applies to your vehicle, or that your vehicle has the condition described. To determine whether this information applies, contact an authorized
Acura automobile dealer.
© 2022 American Honda Motor Co., Inc. – All Rights Reserved
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PARTS INFORMATION
Part Name
Part Number
Quantity
Starter Motor Assy
31200-5J2-A53
1
Relay Assy, Power
39794-T5A-J01
2
Bolt, Flange
90051-5J4-000
1
Gasket Throttle Body
16176-RYE-A10
1
Gasket, Intake Manif old Cover
17112-5G0-A01
1
Gasket, Intake Manif old
17105-R9P-A01
1
NOTE: If 22-008 Product Update: 2015-20 TLX PGM-FI Idle Stop Software Update is applicable to the VIN, the PGM-FI
sof tware must be updated f irst bef ore the warranty extension applies. Any Warranty Extension claims submitted prior to an
approved Product Update, will be debited.
REQUIRED MATERIALS
Part Name
Part Number
Quantity
Hondabond (one tube repairs 4 vehicles)
08718-0004
1
Tool Name
Tool Number
Quantity
Relay Puller
07AAC-000A2A1
1
TOOL INFORMATION
WARRANTY CLAIM INFORMATION
Operation
Number
Description
Flat Rate
Time
Defect
Code
Symptom
Code
Template
ID
Failed Part Number
1181FF
Replace the Starter,
Starter Relays and
Adjust Valves
2.8 hr
6T600
GC900
B22009A
31200-5J2-A52
Skill Level: Repair Technician
INSPECTION PROCEDURE
Does 22-008 Product Update: 2015-20 TLX PGM-FI Idle Stop Software Update apply to the VIN?
Yes – Conf irm 22-008 Product Update: 2015-20 TLX PGM-FI Idle Stop Sof tware Update is closed by checking VIN inquiry.
•
If closed, verif y the symptom, if present, proceed to the repair procedure.
•
If open, perf orm 22-008 Product Update: 2015-20 TLX PGM-FI Idle Stop Software Update. Repair is complete.
No – Verif y the symptom, if present, proceed to the repair procedure.
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REPAIR PROCEDURE
Starter Removal and installation.
1.
2.
Disconnect the 12 volt battery.
Remove the 12 volt battery setting plate and the 12 volt battery.
3.
Disconnect the connector f rom the air cleaner, then remove the harness clamps and remove the air cleaner assembly.
4.
Remove the harness holder f rom the starter.
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5.
Disconnect the positive starter cable and the connector, then remove the starter.
6.
7.
8.
9.
10.
Reinstall the parts in the reverse order of removal.
Replace start cut relay 1 and starter cut relay 2.
Connect the HDS to the DLC.
Turn the vehicle to the ON mode.
Make sure the HDS communicates with the vehicle, then select Idle Stop Starter Counter Clear in the
ADJUSTMENT MENU with the HDS.
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Valve Clearance Adjustment
1.
Disconnecting the breather pipe and remove the intake air duct.
2.
Disconnect the connectors and EVAP purge hose. Remove the throttle body without disconnecting the water bypass
hoses.
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3.
Disconnect the PCV hose and the brake booster vacuum hose.
4.
Remove the upper cover mounting bolts and nuts sequentially in three steps. Remove the upper cover.
5.
Remove the intake manif old mounting bolts and nuts sequentially in three steps. Remove the intake manif old.
6.
Remove the ignition coils, positive alternator cable, and harness holders on both cylinder heads.
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7.
8.
9.
Remove cylinder head covers.
NOTE: Connect the HDS to the DLC and monitor ECT SENSOR 1. When the engine has cooled down and the coolant
temperature is less than 100°F (38°C), adjust the valve clearance.
Set the No. 1 piston at top dead center (TDC). Align the pointer on the f ront upper cover with the No. 1 piston TDC
mark on the f ront camshaf t pulley.
Select the correct f eeler gauge f or the valve clearance you are going to check.
Valve Clearance Spec:
• Intake: 0.20－0.24 mm (0.008－0.009 in)
•
Exhaust: 0.28－0.32 mm (0.011－0.012 in)
For this repair, you’ll set the valve clearance to these specs:
• Intake .22 mm
• Exhaust .30 mm
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10. Insert the f eeler gauge between the adjusting screw and the end of the valve stem on the No. 1 cylinder and slide it
back and f orth; you should f eel a slight amount of drag.
11. If you f eel too much or too little drag, loosen the locknut, then turn the adjusting screw until the drag on the f eeler
gauge is correct.
12. While holding the adjusting screw with the screwdriver, tighten the locknut, then recheck the clearance. Repeat the
adjustment, if necessary.
Specified Torque
Intake: 20 N·m (15 lbf·ft)
Exhaust: 20 N·m (15 lbf·ft)
Apply new engine oil to the nut threads.
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13. Rotate the crankshaf t clockwise. Align the pointer on the f ront upper cover with the No. 4 piston TDC mark on the f ront
camshaf t pulley.
14. Check, and if necessary, adjust the valve clearance on the No. 4 cylinder.
15. Rotate the crankshaf t clockwise. Align the pointer on the f ront upper cover with the No. 2 piston TDC mark on the f ront
camshaf t pulley.
16. Check, and if necessary, adjust the valve clearance on the No. 2 cylinder.
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17. Rotate the crankshaft clockwise. Align the pointer on the front upper cover with the No. 5 piston TDC mark on the
front camshaft pulley.
18. Check, and if necessary, adjust the valve clearance on the No. 5 cylinder.
19. Rotate the crankshaft clockwise. Align the pointer on the front upper cover with the No. 3 piston TDC mark on the
front camshaft pulley.
20. Check, and if necessary, adjust the valve clearance on the No. 3 cylinder.
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21. Rotate the crankshaft clockwise. Align the pointer on the front upper cover with the No. 6 piston TDC mark on the
front camshaft pulley.
22. Check, and if necessary, adjust the valve clearance on the No. 6 cylinder.
23. Check the spark plug seals for damage. If any seals are damaged, replace it.
24. Thoroughly clean the head cover gasket and the groove of the cylinder head cover.
NOTE: Check and if necessary, replace the head cover gasket.
25. Install the head cover gasket in the groove of the cylinder head cover. Make sure the head cover gasket is seated
securely.
26. Apply liquid gasket to the front and rear rocker arm oil control valve mating surfaces.
27. Set the spark plug seals on the spark plug tubes and install the front and rear cylinder head cover.
28. Inspect the spark plug seals for damage.
29. Tighten the bolts in three steps, in the final step torque the bolts, in sequence, 12 N·m (9 lbf·ft).
30. Reinstall the remaining parts in the reverse order.
END
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