PARK ASSIST / MONITORING: REAR VIEW MONITOR SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2007 MY LX470 [08/2006

Last Modified: 7-3-2017	6.8:8.0.40	Doc ID: RM0000017C7005X
Model Year Start: 2007	Model: LX470	Prod Date Range: [08/2006 - ]
Title: PARK ASSIST / MONITORING: REAR VIEW MONITOR SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2007 MY LX470 [08/2006 - ]

HOW TO PROCEED WITH TROUBLESHOOTING

HINT:

Use these procedures to troubleshoot the audio and visual system.
*: Use the intelligent tester.

1.	VEHICLE BROUGHT TO WORKSHOP

2.	INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

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

3.	INSPECT COMMUNICATION FUNCTION OF LARGE-SCALE MULTIPLEX COMMUNICATION SYSTEM (BEAN)*

(a) Use the intelligent tester to check if the Multiplex Communication System (MPX) is functioning normally.

Result

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

Go to MULTIPLEX COMMUNICATION SYSTEM

4.	BASIC INSPECTION

(a) Turn the ignition switch to ACC.

(b) Check wether or not the display appears on the radio receiver.

Result

Result	Proceed to
Display appears	A
Display does not appear	B

PROCEED TO PROBLEM SYMPTOMS TABLE

5.	CHECK FOR DTC

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

(b) Delete the DTC.

(c) Recheck for DTCs. Based on the DTC output in the first step, try to force output of the audio system DTC by simulating the operation indicated by the DTC.

Result

Result	Proceed to
DTC does not reoccur	A
DTC reoccurs	B

Go to step 8

6.	PROBLEM SYMPTOMS TABLE

Result

Result	Proceed to
Fault is not listed in problem symptoms table	A
Fault is listed in problem symptoms table	B

Go to step 8

7.	OVERALL ANALYSIS AND TROUBLESHOOTING

(a) Terminals of ECU .

8.	ADJUST, REPAIR OR REPLACE

END