Last Modified: 04-05-2023 |
6.11:8.1.0 |
Doc ID: RM100000000VJLM |
Model Year Start: 2016 |
Model: Sienna |
Prod Date Range: [12/2015 -
] |
Title: THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM(w/ Smart Key System): Security Indicator Light Circuit; 2016 - 2020 MY Sienna [12/2015 - ] |
Security Indicator Light Circuit
|
DESCRIPTION
The security indicator light blinks continuously due to a continuous signal received from the certification ECU while the engine immobiliser is set.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
If the certification ECU is replaced, register the key and ECU communication ID (See page
).
PROCEDURE
1.
|
PERFORM ACTIVE TEST USING TECHSTREAM (SECURITY INDICATOR)
|
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Smart Key / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Smart Key
Tester Display
|
Test Part
|
Control Range
|
Diagnostic Note
|
Security Indicator
|
Security indicator light
|
ON or OFF
|
-
|
OK:
The security indicator light turns on and off according to operation via the Techstream.
OK |
|
REPLACE CERTIFICATION ECU
(See page
)
|
NG
|
|
|
2.
|
CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU - COMBINATION METER ASSEMBLY)
|
(a) Disconnect the certification ECU connector.
(b) Disconnect the combination meter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
D88-2 (INDS) - D146-3 (LP)
|
Always
|
Below 1 Ω
|
D88-2 (INDS) - Body ground
|
Always
|
10 kΩ or higher
|
D146-3 (LP) - Body ground
|
Always
|
10 kΩ or higher
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
3.
|
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - BODY GROUND)
|
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
D145-20 (ES) - Body ground
|
Always
|
Below 1 Ω
|
Text in Illustration
*a
|
Front view of wire harness connector
(to Combination Meter Assembly)
|
|
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
|