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. |
|
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".
Basic inspection
Diagnosis and repair workflow
Work flow
Overall sequence
Detailed flow
1.Get information for symptom
Get detailed information from the customer about the symptom (the condition
and the environment when the
incident/malfunction occurred).
>> Go to 2
2.Confirm the symptom
Try to ...
P2096, P2097 A/F Sensor 1
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible Cause
P2096
POST CAT FUEL TRIM SYS B1
(Post catalyst fuel trim system
too lean bank 1)
The output voltage computed by ECM from the
A/F ...
The fuel gauge indicator does not operate
Description
Fuel gauge will not indicate from a certain position.
Diagnosis procedure
1.CHECK FUEL LEVEL SENSOR SIGNAL CIRCUIT
Check the fuel level sensor signal circuit. Refer to MWI-58, "Diagnosis
Procedure".
Is the inspection result normal?
YES >> GO TO 2.
NO >> ...