Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM1000000018JAI
Model Year Start: 2018 Model: Sienna Prod Date Range: [11/2017 -           ]
Title: PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2018 - 2020 MY Sienna [11/2017 -        ]

HOW TO PROCEED WITH TROUBLESHOOTING

CAUTION / NOTICE / HINT

HINT:

  • Use the following procedure to troubleshoot the parking assist monitor system.
  • *: Use the Techstream.

PROCEDURE

1.

VEHICLE BROUGHT TO WORKSHOP

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2.

CUSTOMER PROBLEM ANALYSIS

(a) Ask the customer about the problems and the conditions at the time the malfunction occurred to make sure the problem symptom was not temporarily caused by radio waves in the surrounding environment.

HINT:

The parking assist monitor display may be temporarily distorted due to radio waves around the vehicle.

Problem Symptom

Cause

The following condition is met:

The problem symptom indicates a parking assist monitor display malfunction and the problem symptom cannot be reproduced.

The display may be temporarily distorted when the vehicle is close to an object that transmits radio waves, such as a telecommunication tower, an airport or a truck equipped with a transceiver.

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3.

INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, replace or recharge the battery before proceeding to the next step.

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4.

CHECK NAVIGATION SYSTEM

(a) Refer to Navigation System.

Click here 2018 MY Sienna [11/2017 - 08/2018]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PROBLEM SYMPTOMS TABLE 2019 - 2020 MY Sienna [08/2018 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: PROBLEM SYMPTOMS TABLE

Result

Proceed to

Navigation system is normal

A

Navigation system is abnormal

B

B

GO TO NAVIGATION SYSTEM

A

5.

CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

(a) Use the Techstream to check if the CAN communication system is functioning normally.

Click here 2018 MY Sienna [11/2017 - 08/2018]; NETWORKING: CAN COMMUNICATION SYSTEM: DIAGNOSIS SYSTEM 2019 - 2020 MY Sienna [08/2018 -        ]; NETWORKING: CAN COMMUNICATION SYSTEM: DIAGNOSIS SYSTEM

Result

Proceed to

CAN communication system DTCs are not output

A

CAN communication system DTCs are output

B

B

GO TO CAN COMMUNICATION SYSTEM

A

6.

CHECK FOR DTC*

(a) Check for DTCs and make a note of any codes that are output.

Click here 2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: DTC CHECK / CLEAR

(b) Clear the DTCs.

Click here 2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: DTC CHECK / CLEAR

(c) Recheck for DTCs. Try to prompt the DTC by simulating the original activity that the DTC suggests.

Click here 2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: DTC CHECK / CLEAR

Result

Proceed to

No DTCs are output

A

DTCs are output

B

B

GO TO STEP 9

A

7.

PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table.

Click here 2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: PROBLEM SYMPTOMS TABLE

Result

Proceed to

Fault is not listed in Problem Symptoms Table

A

Fault is listed in Problem Symptoms Table

B

B

GO TO STEP 9

A

8.

OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Diagnosis System

Click here 2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: DIAGNOSIS SYSTEM

(b) Terminals of ECU

Click here 2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: TERMINALS OF ECU

(c) Data List / Active Test

Click here 2018 - 2020 MY Sienna [11/2017 -        ]; PARK ASSIST / MONITORING: PARKING ASSIST MONITOR SYSTEM: DATA LIST / ACTIVE TEST

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9.

ADJUST, REPAIR OR REPLACE

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10.

CONFIRMATION TEST

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END