DESCRIPTION
The illuminated entry system controls the power switch illumination.
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
PERFORM ACTIVE TEST USING INTELLIGENT TESTER
Connect the intelligent tester to the DLC3.
Turn the power switch on (IG).
Turn the intelligent tester on.
Enter the following menus: Body / Entry&Start / Active Test.
Check that the illumination operates.
| Tester Display | Test Part | Control Range | Diagnostic Note |
|---|---|---|---|
| Power/Engine SW Light | Power switch illumination | ON/OFF | All doors closed |
| OK |
|---|
| Power switch illumination comes on. |
| NG |
|
INSPECT POWER SWITCH Click here |
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here
INSPECT POWER SWITCH
| *a | Component without harness connected (Power Switch) |
Remove the power switch Click here.
Connect a positive (+) lead from the auxiliary battery to terminal 11 (SWIL) and a negative (-) lead to terminal 5 (GND).
Check that the power switch illumination comes on.
| OK |
|---|
| Power switch illumination comes on. |
| NG |
|
REPLACE POWER SWITCH Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (POWER SWITCH - CERTIFICATION ECU AND BODY GROUND)
Disconnect the H1 certification ECU (smart key ECU assembly) connector.
Disconnect the H78 power switch connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)