DESCRIPTION
This DTC is output when the VSC system has a problem. Check the VSC system when this DTC is output.
DTC No. |
DTC Detection Condition |
Trouble Area |
MIL |
Note |
---|---|---|---|---|
P157800 |
|
|
Does not come on |
SAE: P1578 |
CAUTION / NOTICE / HINT
HINT:
When this DTC is output, confirm that the vehicle stability control system is normal since it may be malfunctioning.
for Hydraulic Brake Booster: See page
for Vacuum Brake Booster: See page
PROCEDURE
1. |
CHECK FOR DTC (ABS/VSC/TRAC) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch on.
(c) Turn the Techstream on.
(d) Enter the following menus: Chassis / ABS/VSC/TRAC / Trouble Codes.
(e) Check for DTCs (See page ).
OK:
Vehicle stability control system DTCs are not output
Result
Result |
Proceed to |
---|---|
OK |
A |
NG (for Hydraulic Brake Booster) |
B |
NG (for Vacuum Brake Booster) |
C |
B | ![]() |
GO TO VEHICLE STABILITY CONTROL SYSTEM |
C | ![]() |
GO TO VEHICLE STABILITY CONTROL SYSTEM |
|
2. |
CHECK FOR DTC (DTC P157800) |
(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) Drive the vehicle at a speed for which cruise control operation is possible.
(2) Turn the cruise control system on using the cruise control main switch (ON/OFF).
(3) Push the cruise control main switch to -SET to begin control of vehicle speed using the cruise control system.
(c) Turn the Techstream on.
(d) 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) Drive the vehicle at a speed for which cruise control operation is possible.
(2) Turn the cruise control system on using the cruise control main switch (ON/OFF).
(3) Push the cruise control main switch to -/SET to begin control of vehicle speed by the cruise control system.
(e) Check the DTCs (See page ).
OK:
DTC P157800 is not output
OK | ![]() |
USE SIMULATION METHOD TO CHECK |
NG | ![]() |
REPLACE ECM |
Inspection
INSPECTION
PROCEDURE
1. INSPECT GENERATOR BRUSH HOLDER ASSEMBLY
(a) Using a vernier caliper, measure the brush length.
Text in Illustration
*a
Length
Standard exposed length:
9.5 to 11.5 mm (0.374 to 0.453 in.)
Minimum ex ...
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DESCRIPTION
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w/ Theft Deterrent System:
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Installation
INSTALLATION
CAUTION / NOTICE / HINT
CAUTION:
Some of these service operations affect the SRS airbag system. Read
the precautionary notices concerning the SRS airbag system before servicing
(See page ).
If the side airbag was deployed, replace the front seat assembly with
...