Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000WPEF
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 - 08/2016]
Title: 2GR-FE (ENGINE CONTROL): SFI SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2016 MY Sienna [12/2015 - 08/2016]

HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

HINT:

*: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP
NEXT

2.

CUSTOMER PROBLEM ANALYSIS
NEXT

3.

CONNECT TECHSTREAM TO DLC3*

HINT:

If the display indicates a communication fault with theTechstream, inspect the DLC3.

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

NEXT

4.

CHECK DTC AND FREEZE FRAME DATA*

(a) Check DTC.

Click here 2016 MY Sienna [12/2015 - 08/2016]; 2GR-FE (ENGINE CONTROL): SFI SYSTEM: DTC CHECK / CLEAR

(b) Check Freeze Frame Data.

Click here 2016 MY Sienna [12/2015 - 08/2016]; 2GR-FE (ENGINE CONTROL): SFI SYSTEM: FREEZE FRAME DATA

HINT:

Record or print DTCs and freeze frame data if necessary.

NEXT

5.

CLEAR DTC AND FREEZE FRAME DATA*

(a) Clear the DTCs and freeze frame data

Click here 2016 MY Sienna [12/2015 - 08/2016]; 2GR-FE (ENGINE CONTROL): SFI SYSTEM: DTC CHECK / CLEAR

NEXT

6.

CONDUCT VISUAL INSPECTION
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7.

SELECT CHECK MODE DIAGNOSIS*

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

HINT:

Refer to Check Mode Procedure.

Click here 2016 MY Sienna [12/2015 - 08/2016]; 2GR-FE (ENGINE CONTROL): SFI SYSTEM: CHECK MODE PROCEDURE

NEXT

8.

CONFIRM PROBLEM SYMPTOMS

(a) Confirm problem symptoms.

HINT:

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

Result

Proceed to

Malfunction does not occur

A

Malfunction occurs

B
B

GO TO STEP 10

A

9.

SIMULATE SYMPTOMS

HINT:

Refer to Symptom Simulation.

Click here 2016 MY Sienna [12/2015 - 08/2016]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING

NEXT

10.

CHECK DTC*

(a) Check for DTCs.

HINT:

Refer to DTC Check / Clear.

Click here 2016 MY Sienna [12/2015 - 08/2016]; 2GR-FE (ENGINE CONTROL): SFI SYSTEM: DTC CHECK / CLEAR

Result

Proceed to

DTCs are output

A

DTCs are not output

B
B

GO TO STEP 12

A

11.

REFER TO DTC CHART

(a) Refer to Diagnostic Trouble Code Chart.

Click here 2016 MY Sienna [12/2015 - 08/2016]; 2GR-FE (ENGINE CONTROL): SFI SYSTEM: DIAGNOSTIC TROUBLE CODE CHART

NEXT

12.

CONDUCT BASIC INSPECTION

(a) Conduct basic inspection.

Click here 2016 MY Sienna [12/2015 - 08/2016]; 2GR-FE (ENGINE CONTROL): SFI SYSTEM: BASIC INSPECTION

Result

Proceed to

Malfunctioning parts not confirmed

A

Malfunctioning parts confirmed

B
B

GO TO STEP 17

A

13.

REFER TO PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table.

Click here 2016 MY Sienna [12/2015 - 08/2016]; 2GR-FE (ENGINE CONTROL): SFI SYSTEM: PROBLEM SYMPTOMS TABLE

Result

Proceed to

Malfunctioning circuit confirmed

A

Malfunctioning parts confirmed

B
B

GO TO STEP 17

A

14.

CHECK ECM POWER SOURCE CIRCUIT

(a) Check the ECM power source circuit.

HINT:

Refer to ECM Power Source Circuit.

Click here 2016 MY Sienna [12/2015 - 08/2016]; 2GR-FE (ENGINE CONTROL): SFI SYSTEM: ECM Power Source Circuit

NEXT

15.

CONDUCT CIRCUIT INSPECTION

Result

Proceed to

Malfunction not confirmed

A

Malfunction confirmed

B
B

GO TO STEP 18

A

16.

CHECK FOR INTERMITTENT PROBLEMS

(a) Check for intermittent problems.

HINT:

Refer to Check for Intermittent Problems.

Click here 2016 MY Sienna [12/2015 - 08/2016]; 2GR-FE (ENGINE CONTROL): SFI SYSTEM: CHECK FOR INTERMITTENT PROBLEMS

NEXT

17.

CONDUCT PARTS INSPECTION
NEXT

18.

IDENTIFY PROBLEM
NEXT

19.

ADJUST AND/OR REPAIR
NEXT

20.

CONDUCT CONFIRMATION TEST
NEXT

END