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 Code |
DTC Detection Condition |
Trouble Area |
MIL |
Note |
---|---|---|---|---|
P057162 |
|
|
Does not come on |
SAE: P0571 |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH ASSEMBLY - BATTERY) |
(a) Disconnect the stop light switch assembly connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
S10-2 - Body ground |
Always |
11 to 14 V |
S10-4 - Body ground |
Ignition switch on |
11 to 14 V |
Ignition switch off |
Below 1 V |
*a |
Front view of wire harness connector (to Stop Light Switch Assembly) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK HARNESS AND CONNECTOR (STOP LIGHT SWITCH INPUT CIRCUIT) |
(a) Disconnect the ECM connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E13-15 (ST1-) - Body ground |
Ignition switch on, brake pedal released |
7.5 to 14 V |
Ignition switch on, brake pedal depressed |
Below 1.5 V |
|
E14-10 (STP) - Body ground |
Brake pedal released |
Below 1.5 V |
Brake pedal depressed |
7.5 to 14 V |
*a |
Front view of wire harness connector (to ECM) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
INSPECT STOP LIGHT SWITCH ASSEMBLY |
(a) Inspect the stop light switch assembly (See page INSPECT STOP LIGHT SWITCH ASSEMBLY ).
(b) Clear the DTCs (See page ).
(c) Check for DTCs (See page ).
OK:
DTC P057162 is not output
OK | ![]() |
REPLACE STOP LIGHT SWITCH ASSEMBLY |
NG | ![]() |
REPLACE ECM |
General maintenance
Listed below are the general maintenance items that should be performed at
the intervals specified in the “Scheduled Maintenance Guide” or “Owner’s Manual
Supplement”. It is recommended that any problem you notice should be brought to
the attention of your Toyota dealer or qualified ...
Engine Switch
Components
COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
1. INSPECT ENGINE SWITCH
(a) Measure the resistance according to the value(s) in the table below.
Text in Illustration
*a
Component without harness connected
(Engine Switch)
-
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Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...