Toyota Tundra (2015 year). Manual — part 1854
Last Modified: 9-16-2014
6.6 M
Doc ID: RM000000PDT0E1X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: REGISTRATION; 2015 MY Tundra [08/2014 - ]
REGISTRATION
NOTICE:
The Vehicle Identification Number (VIN) must be input into the replacement ECM.
HINT:
1. DESCRIPTION
NOTICE:
The Vehicle Identification Number (VIN) must be input into the replacement ECM.
HINT:
ECM to be read in order to confirm that the two VINs, provided with the vehicle and stored in the
vehicle's ECM, are the same.
(b) Write VIN: Explains the VIN writing process in a flowchart. This process allows the VIN to be input into
the ECM. If the ECM is changed, or the ECM VIN and vehicle VIN do not match, the VIN can be
registered, or overwritten in the ECM by following this procedure.
2. READ VIN
(a) Confirm the vehicle VIN.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Enter the following menus: Powertrain / Engine and ECT / Utility / VIN / VIN Read.
3. WRITE VIN
(a) Confirm the vehicle VIN.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Enter the following menus: Powertrain / Engine and ECT / Utility / VIN / VIN Write.
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: REGISTRAT...
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000004NJC031X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: INITIALIZATION; 2015 MY Tundra [08/2014 - ]
INITIALIZATION
1. Inspection After Repair
Perform learning value reset and idle learning after replacing or servicing parts related to engine operation.
Details on procedures required are indicated by an asterisk and a number, and are explained in detail
following the table.
PART REPLACED
ENGINE OPERATION
LEARNING
VALUE
RESET*1
IDLE
LEARNING*2
Throttle body
assembly*3
Cleaning the
deposits from
the throttle body
assembly*3
-
○
○
Engine assembly
-
○
○
Cylinder head
sub-assembly
Camshaft (for
intake or
exhaust
camshaft)
Camshaft timing
gear assembly
Camshaft timing
exhaust gear
assembly
Piston or piston
ring
Mass air flow
meter
sub-assembly
Fuel injector
assembly
Fuel pump
Air fuel ratio
sensor
Heated oxygen
sensor
Engine coolant
temperature
sensor
Spark plug
Ignition coil
assembly
Air leaks from
Confirm the following:
Perform learning value reset and idle learning when
replacement.
1.
#1, A/F Learn Value Mid1 #1, A/F Learn
Value Mid2 #1, A/F Learn Value High #1,
A/F Learn Value Idle #2, A/F Learn Value
Low #2, A/F Learn Value Mid1 #2, A/F
Learn Value Mid2 #2 or A/F Learn Value
High #2) displayed in the Data List was
higher than +/-15% before component
replacement.
2.
Starting failure, rough idle, or engine
stalls after component replacement.
3.
○
○
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: INITIALIZA...
PART REPLACED
ENGINE OPERATION
LEARNING
VALUE
RESET*1
IDLE
LEARNING*2
air induction
system
Gas leaks from
exhaust system
The items in the list above do not apply.
-
-
Knock sensor*4
-
-
-
○: Necessary.
-: Unnecessary.
NOTICE:
Engine learned values cannot be reset by disconnecting the battery negative (-) terminal or removing
the EFI NO. 1 and ETCS fuses.
*1: Learning Value Reset
Connect the Techstream to the DLC3.
a.
Turn the ignition switch to ON.
b.
Turn the Techstream on.
c.
Enter the following menus: Powertrain / Engine and ECT / Utility / Learning Value Reset.
d.
Confirm the following conditions as instructed on the screen.
- Ignition switch ON
- Engine stopped
- Battery voltage is higher than 9 V
e.
After confirming, select "Next" and initialize the learned value.
HINT:
If a message indicating learned value initialization failure is displayed on the screen,
confirm the execution conditions, and perform learned value initialization again.
f.
Value Mid2 #1, A/F Learn Value High #1, A/F Learn Value Idle #2, A/F Learn Value Low #2,
A/F Learn Value Mid1 #2, A/F Learn Value Mid2 #2 and A/F Learn Value High #2) in the Data
List.
If 0 is displayed for all the air fuel ratio learned values, initialization has completed
correctly.
value other than 0 is displayed, replace the ECM.
g.
*2: Idle Learning
Turn the ignition switch off and wait for at least 30 seconds.
a.
Start the engine and warm it up until the engine coolant temperature is 80°C (176°F) or
higher.
HINT:
Learning starts when the engine coolant temperature is 80°C (176°F) or higher.
b.
After the engine is warmed up, allow it to idle for 5 minutes with the air conditioning and all
accessories off.
c.
Confirm that the idle speed is within the standard range.
Standard:
ENGINE IDLE SPEED
d.
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: INITIALIZA...
ENGINE IDLE SPEED
650 to 750 rpm: Idling
HINT:
Be sure to perform this step with all accessories off.
Make sure that the shift lever is in P or N.
*3: Perform memory reset and idle learning after replacing the throttle body assembly or cleaning
deposits from the throttle body assembly.
CAUTION:
When performing the confirmation driving pattern, obey all speed limits and traffic laws.
HINT:
History information for driving and stopping is necessary to update idle learning.
Warm up the engine (engine coolant temperature is 80°C (176°F) or higher, air conditioning
and all accessories are off) [A].
a.
Drive the vehicle at 10 km/h (6 mph) or more [B].
b.
Idle the engine for 20 seconds or more [C].
c.
Repeat procedure [B] and [C], and check that the idle speed is within the specified range
[D].
Standard:
ENGINE IDLE SPEED
650 to 750 rpm: Idling
HINT:
d.
*4: Drive the vehicle for a short while after replacing the knock control sensor, and check if knocking
occurs. If knocking occurs, drive the vehicle until knocking stops.
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: INITIALIZA...
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст