How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.

HINT

Use these procedures to troubleshoot the clock system

VEHICLE BROUGHT TO WORKSHOP
INSPECT BATTERY VOLTAGE
Standard voltage: 11 to 14 V

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

BASIC INSPECTION

Turn the power switch ON (ACC).
Check whether or not the display appears on the multi-display

Result

RESULT CHART

Result	Proceed to
Display appears	A
Display does not appear (w/ Navigation system for DVD)	B
Display does not appear (w/ Navigation system for HDD)	C
Display does not appear (w/o Navigation system)	D

B: Go to NAVIGATION SYSTEM (See HOW TO PROCEED WITH TROUBLESHOOTING )

C: Go to NAVIGATION SYSTEM (See HOW TO PROCEED WITH TROUBLESHOOTING )

D: Go to AUDIO SYSTEM (see HOW TO PROCEED WITH TROUBLESHOOTING )

A: Go to next step

PROBLEM SYMPTOMS TABLE

Result

RESULT CHART

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

B: Go to step 6

A: Go to next step

OVERALL ANALYSIS AND TROUBLESHOOTING
1. Terminals of ECU (see TERMINALS OF ECU ).
ADJUST, REPAIR OR REPLACE
NEXT: END