Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM1000000028K9R |
Model Year Start: 2023 |
Model: GR Corolla |
Prod Date Range: [11/2022 -
] |
Title: THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): B227862; Engine/Power Switch Signal Compare Failure; 2023 - 2025 MY Corolla Corolla Hatchback GR Corolla [11/2022 - ] |
DTC
|
B227862
|
Engine/Power Switch Signal Compare Failure
|
DESCRIPTION
This DTC is stored when the SSW1 contact signal, SSW2 contact signal and SSW3 contact signal, which are detected when the engine switch is operated, do not match.
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
Note
|
B227862
|
Engine/Power Switch Signal Compare Failure
|
When the engine switch is operated, the SSW1 contact signal, SSW2 contact signal and SSW3 contact signal do not match.
|
-
Engine switch
-
Certification ECU (smart key ECU assembly)
-
Wire harness or connector
|
DTC Output Confirmation Operation:
-
Turn the ignition switch to ON.
|
Vehicle Condition and Fail-safe Function when Malfunction Detected
Vehicle Condition when Malfunction Detected
|
Fail-safe Function when Malfunction Detected
|
If there is a malfunction in only one of the terminals SS1, SS2 or SS3, the system can still operate normally.
|
When only one terminal malfunctions, that terminal is disabled and the system operates normally.
|
Related Data List and Active Test Items
DTC No.
|
Data List and Active Test
|
B227862
|
Power Source Control
-
Push Start Switch 1
-
Push Start Switch 2
-
Push Start Switch 3
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
PROCEDURE
1.
|
READ VALUE USING GTS (PUSH START SWITCH 1)
|
(a) Read the Data List according to the display on the GTS.
Body Electrical > Power Source Control > Data List
Tester Display
|
Measurement Item
|
Range
|
Normal Condition
|
Diagnostic Note
|
Push Start Switch 1
|
Engine switch 1 status
|
OFF or ON
|
OFF: Engine switch not pressed
|
-
If the engine switch is pressed for a short time, the display may not change.
-
Use this item to determine if the engine switch input signal is malfunctioning.
|
Body Electrical > Power Source Control > Data List
Tester Display
|
Push Start Switch 1
|
OK:
The GTS display changes correctly in response to the engine switch operation.
Result
|
Proceed to
|
The value of Push Start Switch 1 is OFF
|
A
|
The value of Push Start Switch 1 is not OFF
|
B
|
A
|
|
|
2.
|
READ VALUE USING GTS (PUSH START SWITCH 1)
|
(a) Read the Data List according to the display on the GTS.
Body Electrical > Power Source Control > Data List
Tester Display
|
Measurement Item
|
Range
|
Normal Condition
|
Diagnostic Note
|
Push Start Switch 1
|
Engine switch 1 status
|
OFF or ON
|
ON: Engine switch pressed
|
-
If the engine switch is pressed for a short time, the display may not change.
-
Use this item to determine if the engine switch input signal is malfunctioning.
|
Body Electrical > Power Source Control > Data List
Tester Display
|
Push Start Switch 1
|
OK:
The GTS display changes correctly in response to the engine switch operation.
Result
|
Proceed to
|
The value of Push Start Switch 1 is ON
|
A
|
The value of Push Start Switch 1 is not ON
|
B
|
A
|
|
|
3.
|
READ VALUE USING GTS (PUSH START SWITCH 2)
|
(a) Read the Data List according to the display on the GTS.
Body Electrical > Power Source Control > Data List
Tester Display
|
Measurement Item
|
Range
|
Normal Condition
|
Diagnostic Note
|
Push Start Switch 2
|
Engine switch 2 status
|
OFF or ON
|
OFF: Engine switch not pressed
|
-
If the engine switch is pressed for a short time, the display may not change.
-
Use this item to determine if the engine switch input signal is malfunctioning.
|
Body Electrical > Power Source Control > Data List
Tester Display
|
Push Start Switch 2
|
OK:
The GTS display changes correctly in response to the engine switch operation.
Result
|
Proceed to
|
The value of Push Start Switch 2 is OFF
|
A
|
The value of Push Start Switch 2 is not OFF
|
B
|
A
|
|
|
4.
|
READ VALUE USING GTS (PUSH START SWITCH 2)
|
(a) Read the Data List according to the display on the GTS.
Body Electrical > Power Source Control > Data List
Tester Display
|
Measurement Item
|
Range
|
Normal Condition
|
Diagnostic Note
|
Push Start Switch 2
|
Engine switch 2 status
|
OFF or ON
|
ON: Engine switch pressed
|
-
If the engine switch is pressed for a short time, the display may not change.
-
Use this item to determine if the engine switch input signal is malfunctioning.
|
Body Electrical > Power Source Control > Data List
Tester Display
|
Push Start Switch 2
|
OK:
The GTS display changes correctly in response to the engine switch operation.
Result
|
Proceed to
|
The value of Push Start Switch 2 is ON
|
A
|
The value of Push Start Switch 2 is not ON
|
B
|
A
|
|
|
5.
|
READ VALUE USING GTS (PUSH START SWITCH 3)
|
(a) Read the Data List according to the display on the GTS.
Body Electrical > Power Source Control > Data List
Tester Display
|
Measurement Item
|
Range
|
Normal Condition
|
Diagnostic Note
|
Push Start Switch 3
|
Engine switch 3 status
|
OFF or ON
|
OFF: Engine switch not pressed
|
-
If the engine switch is pressed for a short time, the display may not change.
-
Use this item to determine if the engine switch input signal is malfunctioning.
|
Body Electrical > Power Source Control > Data List
Tester Display
|
Push Start Switch 3
|
OK:
The GTS display changes correctly in response to the engine switch operation.
Result
|
Proceed to
|
The value of Push Start Switch 3 is OFF
|
A
|
The value of Push Start Switch 3 is not OFF
|
B
|
A
|
|
|
6.
|
READ VALUE USING GTS (PUSH START SWITCH 3)
|
(a) Read the Data List according to the display on the GTS.
Body Electrical > Power Source Control > Data List
Tester Display
|
Measurement Item
|
Range
|
Normal Condition
|
Diagnostic Note
|
Push Start Switch 3
|
Engine switch 3 status
|
OFF or ON
|
ON: Engine switch pressed
|
-
If the engine switch is pressed for a short time, the display may not change.
-
Use this item to determine if the engine switch input signal is malfunctioning.
|
Body Electrical > Power Source Control > Data List
Tester Display
|
Push Start Switch 3
|
OK:
The GTS display changes correctly in response to the engine switch operation.
Result
|
Proceed to
|
The value of Push Start Switch 3 is ON
|
A
|
The value of Push Start Switch 3 is not ON
|
B
|
A
|
|
|
7.
|
READ VALUE USING GTS (PUSH START SWITCH 1)
|
(a) According to the display on the GTS, read the Data List while wiggling the wire harness.
Body Electrical > Power Source Control > Data List
Tester Display
|
Measurement Item
|
Range
|
Normal Condition
|
Diagnostic Note
|
Push Start Switch 1
|
Engine switch 1 status
|
OFF or ON
|
OFF: Engine switch not pressed
|
-
If the engine switch is pressed for a short time, the display may not change.
-
Use this item to determine if the engine switch input signal is malfunctioning.
|
Body Electrical > Power Source Control > Data List
Tester Display
|
Push Start Switch 1
|
OK:
The GTS display changes correctly in response to the engine switch operation.
Result
|
Proceed to
|
The value of Push Start Switch 1 is OFF
|
A
|
The value of Push Start Switch 1 is not OFF
|
B
|
B |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
A
|
|
|
8.
|
READ VALUE USING GTS (PUSH START SWITCH 1)
|
(a) According to the display on the GTS, read the Data List while wiggling the wire harness.
Body Electrical > Power Source Control > Data List
Tester Display
|
Measurement Item
|
Range
|
Normal Condition
|
Diagnostic Note
|
Push Start Switch 1
|
Engine switch 1 status
|
OFF or ON
|
ON: Engine switch pressed
|
-
If the engine switch is pressed for a short time, the display may not change.
-
Use this item to determine if the engine switch input signal is malfunctioning.
|
Body Electrical > Power Source Control > Data List
Tester Display
|
Push Start Switch 1
|
OK:
The GTS display changes correctly in response to the engine switch operation.
Result
|
Proceed to
|
The value of Push Start Switch 1 is ON
|
A
|
The value of Push Start Switch 1 is not ON
|
B
|
B |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
A
|
|
|
9.
|
READ VALUE USING GTS (PUSH START SWITCH 2)
|
(a) According to the display on the GTS, read the Data List while wiggling the wire harness.
Body Electrical > Power Source Control > Data List
Tester Display
|
Measurement Item
|
Range
|
Normal Condition
|
Diagnostic Note
|
Push Start Switch 2
|
Engine switch 2 status
|
OFF or ON
|
OFF: Engine switch not pressed
|
-
If the engine switch is pressed for a short time, the display may not change.
-
Use this item to determine if the engine switch input signal is malfunctioning.
|
Body Electrical > Power Source Control > Data List
Tester Display
|
Push Start Switch 2
|
OK:
The GTS display changes correctly in response to the engine switch operation.
Result
|
Proceed to
|
The value of Push Start Switch 2 is OFF
|
A
|
The value of Push Start Switch 2 is not OFF
|
B
|
B |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
A
|
|
|
10.
|
READ VALUE USING GTS (PUSH START SWITCH 2)
|
(a) According to the display on the GTS, read the Data List while wiggling the wire harness.
Body Electrical > Power Source Control > Data List
Tester Display
|
Measurement Item
|
Range
|
Normal Condition
|
Diagnostic Note
|
Push Start Switch 2
|
Engine switch 2 status
|
OFF or ON
|
ON: Engine switch pressed
|
-
If the engine switch is pressed for a short time, the display may not change.
-
Use this item to determine if the engine switch input signal is malfunctioning.
|
Body Electrical > Power Source Control > Data List
Tester Display
|
Push Start Switch 2
|
OK:
The GTS display changes correctly in response to the engine switch operation.
Result
|
Proceed to
|
The value of Push Start Switch 2 is ON
|
A
|
The value of Push Start Switch 2 is not ON
|
B
|
B |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
A
|
|
|
11.
|
READ VALUE USING GTS (PUSH START SWITCH 3)
|
(a) According to the display on the GTS, read the Data List while wiggling the wire harness.
Body Electrical > Power Source Control > Data List
Tester Display
|
Measurement Item
|
Range
|
Normal Condition
|
Diagnostic Note
|
Push Start Switch 3
|
Engine switch 3 status
|
OFF or ON
|
OFF: Engine switch not pressed
|
-
If the engine switch is pressed for a short time, the display may not change.
-
Use this item to determine if the engine switch input signal is malfunctioning.
|
Body Electrical > Power Source Control > Data List
Tester Display
|
Push Start Switch 3
|
OK:
The GTS display changes correctly in response to the engine switch operation.
Result
|
Proceed to
|
The value of Push Start Switch 3 is OFF
|
A
|
The value of Push Start Switch 3 is not OFF
|
B
|
B |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
A
|
|
|
12.
|
READ VALUE USING GTS (PUSH START SWITCH 3)
|
(a) According to the display on the GTS, read the Data List while wiggling the wire harness.
Body Electrical > Power Source Control > Data List
Tester Display
|
Measurement Item
|
Range
|
Normal Condition
|
Diagnostic Note
|
Push Start Switch 3
|
Engine switch 3 status
|
OFF or ON
|
ON: Engine switch pressed
|
-
If the engine switch is pressed for a short time, the display may not change.
-
Use this item to determine if the engine switch input signal is malfunctioning.
|
Body Electrical > Power Source Control > Data List
Tester Display
|
Push Start Switch 3
|
OK:
The GTS display changes correctly in response to the engine switch operation.
Result
|
Proceed to
|
The value of Push Start Switch 3 is ON
|
A
|
The value of Push Start Switch 3 is not ON
|
B
|
B |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
13.
|
CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - ENGINE SWITCH)
|
Pre-procedure1
(a) Disconnect the I167 certification ECU (smart key ECU assembly) connector.
(b) Disconnect the I35 engine switch connector.
Procedure1
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
I167-19 (SSW1) - I35-12 (SS1)
|
Always
|
Below 1 Ω
|
I167-27 (SSW2) - I35-6 (SS2)
|
Always
|
Below 1 Ω
|
I167-23 (SSW3) - I35-11 (SS3)
|
Always
|
Below 1 Ω
|
I167-30 (AGND) - I35-3 (GND)
|
Always
|
Below 1 Ω
|
I167-19 (SSW1) or I35-12 (SS1) - Other terminals and body ground
|
Always
|
10 kΩ or higher
|
I167-27 (SSW2) or I35-6 (SS2) - Other terminals and body ground
|
Always
|
10 kΩ or higher
|
I167-23 (SSW3) or I35-11 (SS3) - Other terminals and body ground
|
Always
|
10 kΩ or higher
|
I167-30 (AGND) or I35-3 (GND) - Other terminals and body ground
|
Always
|
10 kΩ or higher
|
Post-procedure1
(d) None
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
14.
|
INSPECT ENGINE SWITCH
|
for M20A-FKS: Click here
for G16E-GTS: Click here
NG |
|
REPLACE ENGINE SWITCH
for M20A-FKS: Click here
for G16E-GTS: Click here
|
|