DTC Description
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition |
P1805 | BRAKE SW/CIRCUIT (BRAKE SW/CIRCUT) | A stop lamp switch signal is not sent to ECM for extremely long time while the vehicle is driving. |
POSSIBLE CAUSE
FAIL-SAFE ECM controls the electric throttle control actuator by regulating the throttle opening to a small range. Therefore, acceleration will be poor.
Vehicle condition | Driving condition |
When engine is idling | Normal |
When accelerating | Poor acceleration |
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
Is 1st trip DTC detected? YES >> Proceed to EC-418, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
Is the inspection result normal? YES >> GO TO 2.
NO >> Perform the trouble diagnosis for power supply circuit.
2.CHECK STOP LAMP SWITCH GROUND CIRCUIT
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace error-detected parts.
3.CHECK STOP LAMP SWITCH
Check the stop lamp switch. Refer to EC-412, "Component Inspection (Stop Lamp Switch)".
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-41, "Intermittent Incident".
NO >> Replace stop lamp switch. Refer to BR-20, "Exploded View".
Component Inspection (Stop Lamp Switch)
1.CHECK STOP LAMP SWITCH-1
Is the inspection result normal? YES >> INSPECTION END
NO >> GO TO 2.
2.CHECK STOP LAMP SWITCH-2
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace stop lamp switch. Refer to BR-20, "Exploded View".
Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT
PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
...
Preparation
Special Service Tool
The actual shape of the tools may differ from those illustrated here.
Tool number
(TechMate No.)
Tool name
Description
—
(J-46532)
Brake height tool
Measuring brake pedal height
38-PFM92
( — )
ProCut™ PFM Serie ...
Air breather
Exploded View
Air breather
Air breather hose
Air breather tube
Transaxle assembly
: Vehicle front
Removal and Installation
REMOVAL
Remove air cleaner and air duct. Refer to EM-24, "Removal and
Installation".
Remove air breather hose from transaxle a ...