DTC Logic
DTC DETECTION LOGIC
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | Possible cause |
P1805 | BRAKE SW/CIRCUIT (Brake switch circuit) | Stop lamp signal is not sent to ECM for extremely long time while the vehicle is driving. |
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DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
NOTE:
Since this DTC is difficult to be confirmed, check component function to judge the normality.
>> Proceed to EC-410, "Component Function Check".
Component Function Check
1.CHECK BRAKE SWITCH FUNCTION
With CONSULT
Without CONSULT
Is the inspection result normal? YES >> INSPECTION END
NO >> Proceed to EC-410, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK STOP LAMP SWITCH OPERATION
Is the inspection result normal? YES >> GO TO 5.
NO >> GO TO 2.
2.CHECK STOP LAMP SWITCH POWER SUPPLY
Is the inspection result normal? YES >> GO TO 4.
NO >> GO TO 3.
3.CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
Is the inspection result normal? YES >> Check power supply circuit for 12V battery power supply.
NO >> Repair or replace error-detected parts.
4.CHECK STOP LAMP SWITCH
Check stop lamp switch. Refer to EC-412, "Component Inspection (Stop Lamp Switch)".
Is the inspection result normal? YES >> GO TO 5.
NO >> Replace stop lamp switch. Refer to BR-22, "Exploded View".
5.CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-39, "Intermittent Incident".
NO >> Repair or replace error-detected parts.
Component Inspection (Stop Lamp Switch)
1.CHECK STOP LAMP SWITCH-I
Is the inspection result normal? YES >> INSPECTION END
NO >> GO TO 2.
2.CHECK STOP LAMP SWITCH-II
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace stop lamp switch. Refer to BR-22, "Exploded View".
Vehicle information
Body exterior paint color
M = Metallic, S = Solid, 2S = Solid and Clear, 2P = 2-Coat Pearl, 3P = 3-Coat
Pearl, PM = Pearl Metallic, t = Primerless Diamond Clear
coat, Black is solvent based, all others are water based. ...
P1564 ASCD Steering switch
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P1564 is displayed with DTC P0605, first perform the trouble
diagnosis for DTC P0605. Refer to
EC-348, "DTC Logic".
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
...
Headlamp
Aiming adjustment
Preparation before adjusting
Before performing aiming adjustment, check the following:
Ensure all tires are inflated to correct pressure.
Place vehicle and screen on level surface.
Ensure there is no load in vehicle other than the driver (or equivalent
weight placed in ...