DESCRIPTION
The illuminated entry system controls the engine switch illumination.
WIRING DIAGRAM
PROCEDURE
1. |
READ VALUE USING TECHSTREAM (POWER/ENGINE SW LIGHT) |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch to ON.
(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 |
---|---|---|---|
Power/Engine SW Light |
Engine switch illumination |
OFF/ON |
When performing this Active Test, make sure the following condition is met: The engine switch illumination is off (15 seconds or more have elapsed since it turned from on to off) and the engine switch is on (ACC) or on (IG), or the engine is running. |
OK:
Engine switch illumination comes on.
OK |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. |
INSPECT ENGINE SWITCH |
(a) Remove the engine switch.
(b) Inspect the engine switch.
OK:
Engine switch illumination is normal.
Result
Result |
Proceed to |
---|---|
OK |
A |
NG (for 2TR-FE) |
B |
NG (for 2GR-FKS) |
C |
B |
REPLACE ENGINE SWITCH |
C |
REPLACE ENGINE SWITCH |
|
3. |
CHECK HARNESS AND CONNECTOR (ENGINE SWITCH - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)) |
(a) Disconnect the C29 certification ECU (smart key ECU assembly) connector.
(b) Disconnect the E28 engine switch connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E28-9 (SWIL) - C29-17 (SWIL) |
Always |
Below 1 Ω |
E28-6 (AGND) - C29-12 (AGND) |
Always |
Below 1 Ω |
E28-9 (SWIL) - Body ground |
Always |
10 kΩ or higher |
E28-6 (AGND) - Body ground |
Always |
10 kΩ or higher |
OK |
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Terminals Of Ecu
TERMINALS OF ECU
1. MOBILE WIRELESS CHARGER CRADLE ASSEMBLY
Tester Connection
Wiring Color
Terminal Description
Condition
Specified Condition
M5-1 (ACC) - M5-5 (PGND)
GR - W-B
Power source (ACC)
...
Before Starting Adjustment
BEFORE STARTING ADJUSTMENT
CAUTION / NOTICE / HINT
NOTICE:
When replacing the windshield glass of a vehicle equipped with a forward recognition
camera, make sure to use a Toyota genuine part. If a non-Toyota genuine part is
used, the forward recognition camera may not be able to be installed ...
System Voltage Circuit Short to Ground or Open (P056014)
DESCRIPTION
The battery supplies power to the ECM even when the ignition switch is off. This
power allows the ECM to store data such as DTC history, freeze frame data and fuel
trim values. If the battery voltage falls below a minimum level, the ECM data is
cleared and the ECM determines that ...