Toyota Tundra (2015 year). Manual — part 1072

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Last Modified: 9-16-2014

6.6 D

Doc ID: RM000000PD913GX

Model Year: 2015

Model: Tundra

Prod Date Range: [08/2014 - ]

Title: 1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2015

MY Tundra [08/2014 - ]

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:

*: Use the Techstream.

1.

VEHICLE BROUGHT TO WORKSHOP

2.

CUSTOMER PROBLEM ANALYSIS

3.

CONNECT TECHSTREAM TO DLC3*

HINT:

If the display indicates a communication fault in the Techstream, inspect the DLC3.

When any CAN communication system DTCs are output, perform troubleshooting on the CAN

communication system first.

4.

CHECK DTC AND FREEZE FRAME DATA*

(a) Check for DTCs

and freeze frame data

.

HINT:

Record or print DTCs and freeze frame data, if necessary.

1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: HOW TO P...

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5.

CLEAR DTC AND FREEZE FRAME DATA*

(a) Clear DTCs and freeze frame data

.

6.

CONDUCT VISUAL INSPECTION

7.

SET CHECK MODE DIAGNOSIS*

(a) Switch the ECM from normal mode to check mode.

HINT:

Refer to Check Mode Procedure

.

8.

CONFIRM PROBLEM SYMPTOMS

(a) Confirm problem symptoms.

HINT:

Refer to Problem Symptoms Table

.

If the engine does not start, first perform the "Check DTC" procedures and "Conduct Basic Inspection"
procedures below.

Result

RESULT

PROCEED TO

Malfunction does not occur

A

Malfunction occurs

B

1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: HOW TO P...

A

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A

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B

GO TO STEP 10

9.

SIMULATE SYMPTOMS

HINT:

Refer to Symptom Simulation

.

10.

CHECK DTC*

(a) Check for DTCs.

HINT:

Refer to DTC Check / Clear

.

Result

RESULT

PROCEED TO

Trouble code

A

No code

B

B

GO TO STEP 12

11.

REFER TO DTC CHART

(a) Refer to Diagnostic Trouble Code Chart

.

1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: HOW TO P...

A

A

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12.

CONDUCT BASIC INSPECTION

(a) Conduct basic inspection

.

Result

RESULT

PROCEED TO

Malfunctioning parts not confirmed

A

Malfunctioning parts confirmed

B

B

GO TO STEP 17

13.

REFER TO PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table

.

Result

RESULT

PROCEED TO

Malfunctioning circuit confirmed

A

Malfunctioning parts confirmed

B

B

GO TO STEP 17

14.

CHECK ECM POWER SOURCE CIRCUIT

(a) Check the ECM power source circuit.

HINT:

Refer to ECM Power Source Circuit

.

1UR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: HOW TO P...