How To Proceed With Troubleshooting [11/2023 - ]: Procedure

Result

Result: 

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See step  2

HINT: 

• In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
• Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
• The following 5 items are important points for problem analysis:

  What	Vehicle model, system name
  When	Date, time, occurrence frequency, whether the problem occurred recently or has been occurring for a long time
  Where	Whether the problem occurs at a specific location
  Under what conditions?	The state of each courtesy switch and door lock position switch, etc. Whether the ignition switch is ON (IG). Whether the engine is running*1 or ready on*2, etc.
  How did it happen?	Problem symptoms*3

  *1: for Gasoline Model*2: for HV Model*3: Interview the customer about the details of the driving conditions, environment and the malfunction, then check the DTCs after reading and storing the record of behavior.

Result

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See step  3

1. Check the problem symptom.

   Result

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Result: 

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See step  4

1. Measure the auxiliary battery voltage.

   Standard Voltage

   11 to 14 V (IG OFF)*1

   11 to 14 V*2

   1. *1: for HV Model
   2. *2: for Gasoline Model

   HINT: 

   • It can be determined if the auxiliary battery is completely drained by operating the horn.
   • If the auxiliary battery voltage is less than 11 V, recharge or replace the auxiliary battery.
2. While referring to the component layout drawings and wiring diagrams, etc., perform a visual inspection where possible for blown fuses, an open or short in a wire harness or improperly connected connectors.

   Result

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Result: 

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See step  5

1. Use the GTS to check if the CAN communication system is functioning normally.

   for Gasoline Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ]

   for HV Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ]

   Result

   Result	Proceed to
   DTC is not output	A
   DTC is output	B

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM 

for Gasoline Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ]

for HV Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ]

Result: 

A 

See step  6

1. Check for DTCs.

   Body Electrical > Back Door > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

Result: 

B 

GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer To  DIAGNOSTIC TROUBLE CODE CHART [11/2023 - ]  

Result: 

A 

See step  7

1. Using the GTS, check for Vehicle Control History (RoB).

   Body Electrical > Back Door > Utility 

   Tester Display
   Vehicle Control History (RoB)

2. Make a note of the Vehicle Control History (RoB) output.

   Result

   Result	Proceed to
   Vehicle Control History (RoB) is not output	A
   Vehicle Control History (RoB) is output	B

Result: 

B 

GO TO VEHICLE CONTROL HISTORY (RoB). Refer to  VEHICLE CONTROL HISTORY (RoB) [11/2023 - ] 

Result: 

A 

See step  8

1. Refer to Problem Symptoms Table.

   Refer to PROBLEM SYMPTOMS TABLE [11/2023 - ] 

   Result

   Result	Proceed to
   Fault is not listed in Problem Symptoms Table	A
   Fault is listed in Problem Symptoms Table	B

Result: 

B 

ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE 

Result: 

A 

See step  9

1. Operation Check

   Refer to OPERATION CHECK [11/2023 - ] 

2. Data List / Active Test

   Refer to DATA LIST / ACTIVE TEST [11/2023 - ] 

3. Terminals of ECU

   Refer to TERMINALS OF ECU [11/2023 - ] 

4. Inspection

   Result

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Result: 

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See step  10

Result

Result: 

B 

See step  12

Result: 

A 

See step  11

1. Initialize the power back door system.

   Refer to INITIALIZATION [11/2023 - ] 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  12

Result

Result: 

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END