How To Proceed With Troubleshooting [12/2019 - 10/2022]: Procedure

Result

Result: 

NEXT 

See step  2

1. 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 rear view monitor display may be temporarily distorted due to radio waves around the vehicle.

   Problem Symptom	Cause
   Both of the following conditions are met:  The problem symptom indicates a rear view monitor display malfunction and the problem symptom cannot be reproduced. DTC C1622 is output as "Hist" only.*	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.

   1. *: DTCs output as "Hist" will not be output again after DTCs are cleared.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  3

1. Measure the auxiliary battery voltage with the ignition switch off.*1
2. Measure the auxiliary battery voltage.*2
   1. *1: for HV Model
   2. *2: for Gasoline Model

   Standard Voltage

   11 to 14 V

   HINT: 

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

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. w/ Navigation System:

   Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2022]

2. w/ Audio and Visual System:

   Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2022]

   Result

   Result	Proceed to
   Navigation system and audio and visual system are normal	A
   Navigation system is abnormal	B
   Audio and visual system is abnormal	C

Result: 

B 

GO TO NAVIGATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2022] 

Result: 

C 

GO TO AUDIO AND VISUAL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2022] 

Result: 

A 

See step  5

Result

Result: 

B 

See step  7

Result: 

A 

See step  6

1. Refer to Symptom Simulation.

   Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  7

1. Refer to Audio and Visual System*1.

   Refer to PROBLEM SYMPTOMS TABLE [12/2019 - 10/2022]

2. Refer to Navigation System*2.

   Refer to PROBLEM SYMPTOMS TABLE [12/2019 - 10/2022]

   1. *1: w/o Navigation System
   2. *2: w/ Navigation System

   Result

   Result	Proceed to
   Symptom does not appear	A
   Symptom appears (w/o Navigation System)	B
   Symptom appears (w/ Navigation System)	C

Result: 

B 

GO TO AUDIO AND VISUAL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2022] 

Result: 

C 

GO TO NAVIGATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2022] 

Result: 

A 

See step  8

1. Refer to Problem Symptoms Table.

   Refer to PROBLEM SYMPTOMS TABLE [12/2019 - 10/2022] 

   Result

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

Result: 

B 

See step  10

Result: 

A 

See step  9

1. Refer to Terminals of ECU.

   Refer to TERMINALS OF ECU [12/2019 - 10/2022] 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  10

Result

Result: 

NEXT 

See step  11

Result

Result: 

NEXT 

END