


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 ecuDisassembly
1. REMOVE OCCUPANT CLASSIFICATION ECU
2. REMOVE FRONT SEAT CUSHION SHIELD INNER RH
Remove the screw.
Using a screwdriver, disengage the claws and
remove the cushion shield inner.
HINT:
Tape the screwdriver tip before use.
3. REMOVE FRONT SEAT INNER BELT ASSEMBLY RH
&nbs ...
Pre-collision seat belts (front seats of vehicles with pre-collision
system)
If the system determines that a collision is unavoidable, the front seat
belts will retract before the collision.
Emergency locking retractor (ELR)
The retractor will lock the belt during a sudden stop or on impact. It may
also
lock if you lean forward too quickly. A slow, easy motion wi ...
TS and CG Terminal Circuit
DESCRIPTION
The Test Mode (signal check) circuit detects trouble in the sensor or switch
signal, which cannot be
detected by the DTC check.
Connecting terminals TS and CG of the DLC3 starts the check.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (BETWEEN SKID CONTR ...