Toyota CH-R Service Manual: How To Proceed With Troubleshooting

Toyota CH-R Service Manual / Park Assist / Monitoring / Rear View Monitor System / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Use the following procedure to troubleshoot the rear view monitor system.
*: Use the Techstream.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

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 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.

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

3.	INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard Voltage:

11 to 14 V

HINT:

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

4.	CHECK FOR DTC*

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

Body Electrical > Navigation System > Trouble Codes

(b) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

Body Electrical > Navigation System > Trouble Codes

Result	Proceed to
No DTCs are output	A
DTCs are output	B

GO TO STEP 10

5.	PROBLEM SYMPTOM CONFIRMATION

Result	Proceed to
Symptom does not occur	A
Symptom occurs	B

GO TO STEP 7

6.	SYMPTOM SIMULATION

Click here

7.	CHECK IF SAME SYMPTOM APPEARS IN OTHER SYSTEM

(a) Refer to Audio and Visual System*1

Click here

(b) Refer to Navigation System*2

Click here

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

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

GO TO AUDIO AND VISUAL SYSTEM

GO TO NAVIGATION SYSTEM

8.	PROBLEM SYMPTOMS TABLE

(a) Refer to Problem Symptoms Table.

Click here

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

GO TO STEP 10

9.	PERFORM TROUBLESHOOTING BASED ON MALFUNCTION SYMPTOM

(a) Refer to Terminals of ECU.

Click here

10.	ADJUST, REPAIR OR REPLACE

11.	CONFIRMATION TEST

END

System Description

SYSTEM DESCRIPTION GENERAL (a) This system has a rear television camera assembly mounted on the back door to assist the driver in parking the vehicle by displaying an image of the area behind th ...

Problem Symptoms Table

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Toyota CH-R Service Manual: How To Proceed With Troubleshooting

System Description

Problem Symptoms Table

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