M20C-FKS ENGINE MECHANICAL CYLINDER HEAD GASKET REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during cylinder head gasket removal/installation are shown below.
| Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |
|---|---|---|---|
| Replacement of ECM | Perform Vehicle Identification Number (VIN) or frame number registration | DTC P063051 is output | ( 202304,999999,_51,_087036,_0418131,RM1000000029CMS,)
|
| Perform Total Short Trip Estimate Registration | - | ||
GPF Deposition Values:
·
GPF deposition values save ·
GPF deposition values write |
·
MIL comes on ·
Deterioration of fuel efficiency |
||
| Update ECU security key | Vehicle Control History (RoB) are stored | (202405,999999,_V1,_083041,_0402305,RM100000002ISNL,)
|
|
| ECU communication ID registration | Engine start function | See Service Bulletin for the registration method. | |
| Replacement of ECM | for K121:
If transaxle compensation code read from ECM -
Transfer transaxle compensation code -
Deceleration sensor zero point calibration -
CVT oil pressure calibration -
Perform road test to allow ECM to learn |
·
Large shift shock ·
Deterioration of fuel efficiency |
for Initialization:
( 202405,202409,_52,_138176,_0584691,RM100000002JGMX,202409,999999,_52,_138176,_0584691,RM100000002NRHB,)
for Registration: ( 202304,999999,_52,_138176,_0584691,RM1000000029HF6,)
|
for K121:
If transaxle compensation code not read from ECM -
Reset transaxle compensation code -
Deceleration sensor zero point calibration -
CVT oil pressure calibration -
Perform road test to allow ECM to learn |
|||
| Replacement of ECM | for K121F:
If transaxle compensation code read from ECM -
Transfer transaxle compensation code -
Deceleration sensor zero point calibration -
CVT oil pressure calibration -
Perform road test to allow ECM to learn |
·
Large shift shock ·
Deterioration of fuel efficiency |
for Initialization:
( 202405,202409,_52,_138817,_0596468,RM100000002JJ5Q,202409,999999,_52,_138817,_0596468,RM100000002NRBH,)
for Registration: ( 202304,999999,_52,_138817,_0596468,RM100000002AWR8,)
|
for K121F:
If transaxle compensation code not read from ECM -
Reset transaxle compensation code -
Deceleration sensor zero point calibration -
CVT oil pressure calibration -
Perform road test to allow ECM to learn |
|||
| Exhaust manifold | Reset total short trip estimate | ·
MIL comes on ·
Deterioration of fuel efficiency |
(202405,999999,_51,_087036,_0418131,RM100000002IF8T,)
|
| Replacement of front exhaust pipe assembly | GPF deposition value clear | ·
MIL comes on ·
Deterioration of fuel efficiency |
(202405,999999,_51,_087036,_0418131,RM100000002IF8T,)
|
·
Replacement of engine assembly ·
Gas leak from exhaust system is repaired |
Inspection after repair | ·
Poor idle, etc. ·
Engine start function, etc. |
(202405,999999,_51,_087036,_0418131,RM100000002IF8T,)
|
for K121:
Replacement of continuously variable transaxle assembly |
Air bleed oil pump with motor assembly | Stop and start system | (202405,202409,_51,_083056,_0694819,RM100000002LU7O,202409,999999,_51,_083056,_0402418,RM100000002NSFT,)
|
·
Input transaxle compensation code into ECM ·
Perform reset memory ·
Deceleration sensor zero point calibration ·
CVT oil pressure calibration ·
Perform road test to allow ECM to learn |
·
Large shift shock ·
Deterioration of fuel efficiency |
for Initialization:
( 202405,202409,_52,_138176,_0584691,RM100000002JGMX,202409,999999,_52,_138176,_0584691,RM100000002NRHB,)
for Registration: ( 202304,999999,_52,_138176,_0584691,RM1000000029HF6,)
|
|
for K121F:
Replacement of continuously variable transaxle assembly |
Air bleed oil pump with motor assembly | Stop and start system | (202405,202409,_51,_083056,_0694819,RM100000002LU7O,202409,999999,_51,_083056,_0402418,RM100000002NSFT,)
|
·
Input transaxle compensation code into ECM ·
Perform reset memory ·
Deceleration sensor zero point calibration ·
CVT oil pressure calibration ·
Perform road test to allow ECM to learn |
·
Large shift shock ·
Deterioration of fuel efficiency |
for Initialization:
( 202405,202409,_52,_138817,_0596468,RM100000002JJ5Q,202409,999999,_52,_138817,_0596468,RM100000002NRBH,)
for Registration: ( 202304,999999,_52,_138817,_0596468,RM100000002AWR8,)
|
|
| CVT fluid | ATF thermal degradation estimate reset | The value of the Data List item "ATF Thermal Degradation Estimate" is not estimated correctly | for K121:
( 202405,202409,_52,_138176,_0584691,RM100000002JGMX,202409,999999,_52,_138176,_0584691,RM100000002NRHB,)
for K121F: ( 202405,202409,_52,_138817,_0596468,RM100000002JJ5Q,202409,999999,_52,_138817,_0596468,RM100000002NRBH,)
|
| Air bleed oil pump with motor assembly | Stop and start system | (202405,202409,_51,_083056,_0694819,RM100000002LU7O,202409,999999,_51,_083056,_0402418,RM100000002NSFT,)
|
|
| Front bumper assembly (Including removal and installation) | Front television camera view adjustment | Panoramic view monitor system | (202304,999999,_56,_083082,_0586733,RM1000000029R9F,)
|
| Suspension, tires, etc. | Parking assist ECU initialization | Panoramic view monitor system | (202304,999999,_56,_083082,_0586733,RM1000000029R9F,)
|
| Front wheel alignment adjustment | 1.
Perform "Reset Memory". 2.
Perform acceleration sensor zero point calibration and store system information memorization. |
·
VSC is disabled or malfunctions ·
DTCs are output ·
Slip indicator light illuminates ·
ABS warning light illuminates |
(202304,999999,_54,_083077,_0402316,RM100000002AG8P,)
|
- HINT:
-
When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.
- ·
Learning completes when vehicle is driven
Effect/Inoperative Function When Necessary Procedures are not Performed Necessary Procedures Link Stop and start system Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes). ( 202405,202409,_51,_083056,_0694819,RM100000002LU7I,202409,999999,_51,_083056,_0402418,RM100000002NSFO,)
Lane tracing assist system Drive the vehicle straight ahead at 15 km/h (10 mph) or more for 1 second or more. ( 201910,999999,_58,_083101,_0401880,RM100000001JE9I,)
Pre-collision system
·Learning completes when vehicle is operated normally
Effect/Inoperative Function When Necessary Procedures are not Performed Necessary Procedures Link *: w/ Power back door system
Power back door function* Fully close the back door by hand.
- HINT:
-
Initialization is not necessary if the above procedures are performed while the back door is closed.
( 202304,999999,_59,_083093,_0584672,RM1000000029PGT,)
Power door lock control system If the back door is locked and therefore cannot be opened, it is necessary to unlock the back door using the door control switch, electrical key transmitter sub-assembly switch. ( 202405,202409,_58,_083092,_0694211,RM100000002LR98,202409,999999,_58,_083092,_0403003,RM100000002NS90,)
Air conditioning system After the ignition switch is turned to ON, the servo motor standard position is recognized -
- NOTICE:
-
This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.
PROCEDURE
1.INSTALL ENGINE ASSEMBLY TO ENGINE STAND
2.REMOVE ENGINE HANGERS
16620D
3.REMOVE V-RIBBED BELT TENSIONER ASSEMBLY
16207
4.REMOVE NO. 2 WATER BY-PASS PIPE SUB-ASSEMBLY
16260
5.REMOVE FLOW SHUTTING VALVE (WATER BY-PASS HOSE ASSEMBLY)
16575B
6.REMOVE WATER HOSE CLAMP BRACKET
89481B
7.REMOVE DIFFERENTIAL PRESSURE SENSOR
25760
8.REMOVE VACUUM TRANSMITTING HOSE ASSEMBLY
25706
9.REMOVE NO. 1 VACUUM TRANSMITTING PIPE SUB-ASSEMBLY
17167
10.SEPARATE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR
17118
11.REMOVE MANIFOLD STAY
17141
12.REMOVE EXHAUST MANIFOLD
22030
13.REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY
25680
14.REMOVE EGR COOLER ASSEMBLY
25601
15.REMOVE NO. 1 EGR PIPE SUB-ASSEMBLY
25620
16.REMOVE EGR VALVE ASSEMBLY
16279
17.REMOVE NO. 3 WATER BY-PASS PIPE
17138B
18.REMOVE INTAKE MANIFOLD STAY
23826
19.DISCONNECT NO. 1 FUEL VAPOR FEED HOSE
17111
20.REMOVE INTAKE MANIFOLD
17177
21.REMOVE NO. 1 INTAKE MANIFOLD TO HEAD GASKET
23910A
22.DISCONNECT FUEL TUBE SUB-ASSEMBLY
23801P
23.REMOVE NO. 1 FUEL PIPE SUB-ASSEMBLY
23100X
24.REMOVE FUEL (ENGINE ROOM SIDE) PUMP ASSEMBLY (for High Pressure)
16260
25.REMOVE WATER BY-PASS HOSE ASSEMBLY
23807
26.REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY
23891
27.REMOVE FUEL DELIVERY SPACER
23291
28.REMOVE INJECTOR VIBRATION INSULATOR
82125N
29.REMOVE NO. 5 ENGINE WIRE
23250F
30.REMOVE PORT FUEL INJECTOR ASSEMBLY
23814B
31.REMOVE FUEL DELIVERY PIPE
23250E
32.REMOVE DIRECT FUEL INJECTOR ASSEMBLY
23255A
33.REMOVE FUEL INJECTOR SEAL
19500
34.REMOVE IGNITION COIL ASSEMBLY
11452D
35.REMOVE ENGINE OIL LEVEL DIPSTICK GUIDE
36.REMOVE PURGE VALVE (PURGE VSV)
15250
37.REMOVE OIL PRESSURE CONTROL VALVE ASSEMBLY
11102A
38.REMOVE CAMSHAFT POSITION SENSOR (for Intake Side)
11102A
39.REMOVE CAMSHAFT POSITION SENSOR (for Exhaust Side)
15370
40.REMOVE CAM TIMING OIL CONTROL SOLENOID ASSEMBLY
13090D
41.REMOVE CAM TIMING CONTROL MOTOR WITH EDU ASSEMBLY
29300
42.REMOVE VACUUM PUMP ASSEMBLY
13470
43.REMOVE CRANKSHAFT PULLEY ASSEMBLY
16331
44.REMOVE WATER OUTLET
16305E
45.REMOVE OUTLET WATER BY-PASS SUB-ASSEMBLY
11201
46.REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY
11193
47.REMOVE SPARK PLUG TUBE GASKET
12315A
48.REMOVE ENGINE MOUNTING BRACKET RH
11320B
49.REMOVE NO. 2 TIMING CHAIN COVER ASSEMBLY
11301C
50.REMOVE TIMING CHAIN COVER OIL SEAL
51.SET NO. 1 CYLINDER TO TDC (COMPRESSION)
13507A
52.REMOVE OIL PUMP DRIVE CHAIN SUB-ASSEMBLY
13050
53.REMOVE CAMSHAFT TIMING GEAR ASSEMBLY
13506
54.REMOVE CHAIN SUB-ASSEMBLY
13540
55.REMOVE NO. 1 CHAIN TENSIONER ASSEMBLY
13559
56.REMOVE CHAIN TENSIONER SLIPPER
13561
57.REMOVE NO. 1 CHAIN VIBRATION DAMPER
13070A
58.REMOVE CAMSHAFT TIMING EXHAUST GEAR ASSEMBLY
11310
59.REMOVE TIMING CHAIN COVER ASSEMBLY
23477
60.REMOVE FUEL PUMP LIFTER GUIDE
11103
61.REMOVE CAMSHAFT HOUSING SUB-ASSEMBLY
62.REMOVE CAMSHAFT BEARING CAP
13501A
63.REMOVE INTAKE CAMSHAFT SUB-ASSEMBLY
13502B
64.REMOVE EXHAUST CAMSHAFT SUB-ASSEMBLY
13801
65.REMOVE NO. 1 VALVE ROCKER ARM SUB-ASSEMBLY
13750
66.REMOVE VALVE LASH ADJUSTER ASSEMBLY
11101
67.REMOVE CYLINDER HEAD SUB-ASSEMBLY
11115
68.REMOVE CYLINDER HEAD GASKET
Remove the cylinder head gasket from the cylinder block sub-assembly.
11101A
69.INSPECT CYLINDER HEAD SET BOLT
11101
70.INSPECT CYLINDER HEAD SUB-ASSEMBLY