Toyota Venza: Engine Switch Illumination Circuit
DESCRIPTION
The illuminated entry system controls the engine switch illumination.
WIRING DIAGRAM
PROCEDURE
|
1. |
PERFORM ACTIVE TEST USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Smart Key / Active Test.
(e) Check that the illumination operates.
Smart Key|
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Power/Engine SW Light |
Engine switch illumination |
ON/OFF |
- |
OK:
Engine switch illumination comes on.
| OK | .gif) |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
.gif)
|
2. |
INSPECT ENGINE SWITCH |
(a) Remove the engine switch (See page .gif)
).
(b) Apply battery voltage to the engine switch.
(c) Check that the illumination comes on.
OK:
|
Measurement Condition |
Specified Condition |
|---|---|
|
Battery positive (+) → Terminal 11 (SWIL) Battery negative (-) → Terminal 5 (GND) |
Engine switch illumination comes on |
|
*1 |
Illumination |
*2 |
Component without harness connected (Engine Switch) |
| NG | |
REPLACE ENGINE SWITCH |
|
|
3. |
CHECK HARNESS AND CONNECTOR (ENGINE SWITCH - CERTIFICATION ECU AND BODY GROUND) |
|
(a) Disconnect the D25 certification ECU (smart Key ECU Assembly) connector. |
|
(b) Disconnect the D13 engine switch connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D13-11 (SWIL) - D25-11 (SWIL) |
Always |
Below 1 Ω |
|
D13-5 (GND) - Body ground |
Always |
Below 1 Ω |
|
D13-11 (SWIL) - Body ground |
Always |
10 kΩ or higher |
|
*1 |
Front view of wire harness connector (to Engine Switch) |
|
*2 |
Front view of wire harness connector (to Certification ECU (Smart Key ECU Assembly)) |
| OK | |
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Interior Light Auto Cut Circuit
DESCRIPTION
When battery saving control operates while the interior lights are on, the main
body ECU (driver side junction block assembly) opens the DOME CUT relay to turn
off the lights.
WIRING ...
Interior Light Power Source Circuit
DESCRIPTION
The main body ECU (driver side junction block assembly) controls operation of
the DOME CUT relay in order to supply power to the interior lights.
WIRING DIAGRAM
CAUTION / NOTICE / H ...
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Check Mode Procedure
CHECK MODE PROCEDURE
HINT:
Techstream only:
Compared to normal mode, check mode is more sensitive to malfunctions. Therefore,
check mode can detect malfunctions that cannot be detected in normal mode.
NOTICE:
All the stored DTCs and freeze frame data ar ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...
Driver Side Door Entry Unlock Function does not Operate
DESCRIPTION
If the driver door entry lock function operates normally, but its entry unlock
function does not, this means that the request code from the driver door is being
output normally. In this case, a malfunction in the touch sensor circuit (from the ...
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