Last Modified: 04-05-2023 |
6.11:8.1.0 |
Doc ID: RM100000001918U |
Model Year Start: 2018 |
Model: Sienna |
Prod Date Range: [11/2017 -
] |
Title: CRUISE CONTROL: CRUISE CONTROL SYSTEM: P057162; Brake Switch "A" Signal Compare Failure; 2018 - 2020 MY Sienna [11/2017 - ] |
DTC
|
P057162
|
Brake Switch "A" Signal Compare Failure
|
DESCRIPTION
When the brake pedal is depressed, stop light switch assembly sends a signal to the ECM. Upon receiving the signal, the ECM cancels the cruise control system.
DTC No.
|
Detection Item
|
DTC Detection Condition
|
Trouble Area
|
P057162
|
Brake Switch "A" Signal Compare Failure
|
Vehicle Condition: Ignition switch to ON cruise control main switch on
Malfunction Status: Stop light switch assembly malfunction input signal
|
-
Stop light switch assembly
-
Harness or connector
-
ECM
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
1.
|
CHECK TERMINAL VOLTAGE (STOP LIGHT SWITCH ASSEMBLY - BATTERY AND BODY GROUND)
|
(a) Disconnect the stop light switch assembly connector.
|
|
*a
|
Front view of wire harness connector
(to Stop Light Switch Assembly)
|
|
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection
|
Condition
|
Specified Condition
|
A58-2 - Body ground
|
Always
|
11 to 14 V
|
A58-4 - Body ground
|
Ignition switch ON
|
11 to 14 V
|
A58-4 - Body ground
|
Ignition switch off
|
Below 1 V
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
2.
|
CHECK HARNESS AND CONNECTOR (ECM - STOP LIGHT SWITCH ASSEMBLY)
|
(a) Disconnect the A69 ECM connector.
(b) Disconnect the A58 stop light switch assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
|
Condition
|
Specified Condition
|
A69-42 (ST1-) - A58-3
|
Always
|
Below 1 Ω
|
A69-27 (STP) - A58-1
|
Always
|
Below 1 Ω
|
A69-42 (ST1-) or A58-3 - Body ground
|
Always
|
10 kΩ or higher
|
A69-27 (STP) or A58-1 - Body ground
|
Always
|
10 kΩ or higher
|
NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR
|
OK
|
|
|
3.
|
REPLACE STOP LIGHT SWITCH ASSEMBLY
|
(a) Replace the stop light switch assembly.
(See page
)
NEXT
|
|
|
(a) Clear the DTCs.
(See page
)
(b) Perform the following to make sure that the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the malfunction cannot be detected.
(1) Turn the cruise control system on using the cruise control main switch (ON/OFF).
(c) Check for DTCs.
(See page
)
Result
|
Proceed to
|
DTC P057162 is not output
|
A
|
DTC P057162 is output
|
B
|
A |
|
END (STOP LIGHT SWITCH ASSEMBLY WAS DEFECTIVE)
|
|