Toyota Tundra (2015 year). Manual — part 1913
A
OK
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Clear the DTCs
.
(e) Turn the ignition switch off and wait for at least 30 seconds.
(f) Turn the ignition switch to ON and turn the Techstream on.
(g) Start the engine and warm it up.
(h) Drive the vehicle in accordance with the driving pattern described in Confirmation Driving
Pattern.
(i) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
(j) Read DTCs.
Result
RESULT
PROCEED TO
DTC P0171, P0172, P0174 or P0175 is output
A
DTC is not output
B
B
END
18.
CHECK HARNESS AND CONNECTOR (A/F SENSOR - ECM)
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
19.
REPLACE MASS AIR FLOW METER
(a) Replace the mass air flow meter
.
HINT:
.
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0171,P0172...
NEXT
OK
20.
CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Clear the DTCs
.
(e) Turn the ignition switch off and wait for at least 30 seconds.
(f) Turn the ignition switch to ON and turn the Techstream on.
(g) Start the engine and warm it up.
(h) Drive the vehicle in accordance with the driving pattern described in Confirmation Driving
Pattern.
(i) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
(j) Read DTCs.
Result
Result
PROCEED TO
DTC is not output
A
DTC P0171, P0172, P0174 or P0175 is output
B
B
REPLACE ECM
A
END
21.
CHECK HARNESS AND CONNECTOR (AIR FUEL RATIO SENSOR - NO. 1
INTEGRATION RELAY)
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
22.
INSPECT INTEGRATION RELAY (A/F)
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0171,P0172...
(a) Inspect the integration relay (A/F)
.
NG
REPLACE INTEGRATION RELAY
OK
CHECK ECM POWER SOURCE CIRCUIT
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0171,P0172...
Last Modified: 9-16-2014
6.6 C
Doc ID: RM000000XH3103X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: 3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0300-P0308; Random / Multiple Cylinder Misfire
Detected; 2015 MY Tundra [08/2014 - ]
DTC
P0300
Random / Multiple Cylinder Misfire Detected
DTC
P0301
Cylinder 1 Misfire Detected
DTC
P0302
Cylinder 2 Misfire Detected
DTC
P0303
Cylinder 3 Misfire Detected
DTC
P0304
Cylinder 4 Misfire Detected
DTC
P0305
Cylinder 5 Misfire Detected
DTC
P0306
Cylinder 6 Misfire Detected
DTC
P0307
Cylinder 7 Misfire Detected
DTC
P0308
Cylinder 8 Misfire Detected
DESCRIPTION
increases in the Three-Way Catalytic Converter (TWC) temperature, which may cause damage to the TWC. To
monitor misfires, the ECM uses both the Camshaft Position (CMP) sensor and the Crankshaft Position (CKP)
3UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: P0300-P0308;...
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