


HOW TO PROCEED WITH TROUBLESHOOTING
1 VEHICLE BROUGHT TO WORKSHOP

2 CUSTOMER PROBLEM ANALYSIS
(a) Confirm problem symptoms.

3 CHECK AND CLEAR DTCS

4 PROBLEM SYMPTOM CONFIRMATION

5 SYMPTOM SIMULATION

6 DTC CHECK (OTHER THAN MULTIPLEX DTC)

7 DTC CHART

8 PROBLEM SYMPTOMS TABLE

9 TERMINALS OF ECU

10 CIRCUIT INSPECTION

11 IDENTIFICATION OF PROBLEM

12 REPAIR OR REPLACE

13 CONFIRMATION TEST

END
Problem symptoms table
Front A/C:



Precaution
Terminals of ecuRoom light assembly
ON-VEHICLE INSPECTION
1. ROOM LIGHT ASSEMBLY NO.2
Check that the resistance exists between the
terminals.
Resistance:
Below 1 Ω
2. INTERIOR DOME LIGHT SWITCH ASSEMBLY
Check that there is resistance between the
terminals at each switch position as shown in the
cha ...
Inspection
1. V
(a) Inspect VSV operation.
(1) Using an ohmmeter, measure the resistance
according to the value(s) in the table below.V
Standard resistance
If the result is not as specified, replace the
vsv.
(B) inspect the vsv for ground.
(1) Using an ohmmeter, measure the resistance
accordin ...
Initialization
HINT:
The seatback position is initialized at the factory before
shipment, so initialization is not normally required.
There is an initialization function for cases when
reinitialization is required.
Before performing initialization procedure and initialization
release step ...