DESCRIPTION
The illuminated entry system controls the engine switch illumination.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Before replacing the certification ECU (smart key ECU assembly), refer to Registration.
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PROCEDURE
1. |
PERFORM ACTIVE TEST USING TECHSTREAM |
(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.
Body Electrical > Smart Key > Active Test
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
---|---|---|---|
Power/Engine SW Light |
Engine switch illumination |
OFF or 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. |
Tester Display |
---|
Power/Engine SW Light |
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.
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(b) Inspect the engine switch.
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OK:
Engine switch illumination is normal.
NG |
REPLACE ENGINE SWITCH |
|
3. |
CHECK HARNESS AND CONNECTOR (ENGINE SWITCH - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)) |
(a) Disconnect the F1 certification ECU (smart key ECU assembly) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F59-9 (SWIL) - F1-10 (SWIL) |
Always |
Below 1 Ω |
F59-6 (AGND) - F1-11 (AGND) |
Always |
Below 1 Ω |
F59-9 (SWIL) or F1-10 (SWIL) - Body ground |
Always |
10 kΩ or higher |
F59-6 (AGND) or F1-11 (AGND) - Body ground |
Always |
10 kΩ or higher |
OK |
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Toyota CH-R Service Manual > Lighting System: Light Sensor Circuit Malfunction (B1244)
DESCRIPTION
The automatic light control sensor detects ambient light. The sensor creates
an electrical signal based on the amount of light detected, and sends the signal
to the main body ECU (multiplex network body ECU). The main body ECU (multiplex
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Toyota CH-R Service Manual > Brake Master Cylinder: Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE BRAKE MASTER CYLINDER RESERVOIR ASSEMBLY
(a) Mount the brake master cylinder sub-assembly in a vise.
NOTICE:
Place aluminum plates on the vise to prevent damage to the brake master cylinder
sub-assembly.
(b) Using an T20 "TORX" socket wren ...