DTC Description
DTC DETECTION LOGIC
NOTE: This self-diagnosis has the one trip detection logic. When malfunction A is detected, DTC is not stored in ECM memory. And in that case, 1st trip DTC and 1st trip freeze frame data are displayed. 1st trip DTC is erased when ignition switch OFF. And even when malfunction A is detected in two consecutive trips, DTC is not stored in ECM memory.
DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC detecting condition | |
P1572 | ASCD BRAKE SW (ASCD BRAKE SW) | A | When the vehicle speed is above 30 km/h (19 MPH), ON signals from the stop lamp switch and the brake pedal position switch are sent to the ECM at the same time. |
B | Brake pedal position switch signal is not sent to ECM for extremely long time while the vehicle is driving. |
POSSIBLE CAUSE
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
1.CHECK DTC PRIORITY
If DTC P1572 is displayed with DTC P0603, P0604, P0605, P606, P0607, P060A, or P060B, first perform the trouble diagnosis for DTC P0603, P0604, P0605, P606, P0607, P060A, or P060B.
Is applicable DTC detected? YES >> Perform diagnosis of applicable. Refer to EC-93, "DTC Index".
NO >> GO TO 2.
2.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.
NOTE: Procedure for malfunction B is not described here. It takes extremely long time to complete procedure for malfunction B. By performing procedure for malfunction A, the incident that causes malfunction B can be detected. >> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A
CAUTION: Always drive vehicle at a safe speed.
NOTE: This procedure may be conducted with the drive wheels lifted in the shop or by driving the vehicle.
If a road test is expected to be easier, it is unnecessary to lift the vehicle.
Vehicle speed | More than 30 km/h (19 mph) |
Selector lev | Suitable position |
Is DTC detected? YES >> Proceed to EC-415, "Diagnosis Procedure".
NO >> GO TO 4.
4.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION B
CAUTION: Always drive vehicle at a safe speed.
NOTE: This procedure may be conducted with the drive wheels lifted in the shop or by driving the vehicle.
If a road test is expected to be easier, it is unnecessary to lift the vehicle.
Vehicle speed | More than 30 km/h (19 mph) |
Selector lever | Suitable position |
Driving location | Depress the brake pedal for more than five seconds so as not to come off from the above-mentioned vehicle spee |
Is DTC detected? YES >> Proceed to EC-415, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK DTC PRIORITY
If DTC P1572 is displayed with DTC P0603, P0604, P0605, P606, P0607, P060A, or P060B, first perform the trouble diagnosis for DTC P0603, P0604, P0605, P606, P0607, P060A, or P060B.
Is applicable DTC detected? YES >> Perform diagnosis of applicable. Refer to EC-93, "DTC Index".
NO >> GO TO 2.
2.CHECK OVERALL FUNCTION-1
With CONSULT
Monitor item | Condition | Indication | |
BRAKE SW1 | Brake pedal | Slightly depressed | OFF |
Fully released | ON |
Without CONSULT
Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 4.
3.CHECK OVERALL FUNCTION-2
With CONSULT
Select “BRAKE SW2” and check indication as per the following conditions.
Without CONSULT
Check the voltage between ECM harness connector terminals as per the following conditions.
Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-41, "Intermittent Incident".
NO >> GO TO 7.
4.CHECK BRAKE PEDAL POSITION SWITCH POWER SUPPLY
Is the inspection result normal? YES >> GO TO 5.
NO >> Perform the trouble diagnosis for power supply circuit.
5.CHECK BRAKE PEDAL POSITION SWITCH INPUT SIGNAL CIRCUIT
Is the inspection result normal? YES >> GO TO 6.
NO >> Repair or replace error-detected parts.
6.CHECK BRAKE PEDAL POSITION SWITCH
Check the brake pedal position switch. Refer to EC-411, "Component Inspection (Brake Pedal Position Switch)" Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-41, "Intermittent Incident".
NO >> Replace brake pedal position switch. Refer to BR-20, "Exploded View".
7.CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
Is the inspection result normal? YES >> GO TO 8.
NO >> Perform the trouble diagnosis for power supply circuit.
8.CHECK STOP LAMP SWITCH GROUND CIRCUIT
Is the inspection result normal? YES >> GO TO 9.
NO >> Repair or replace error-detected parts.
9.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 (Brake Pedal Position Switch)
1.CHECK BRAKE PEDAL POSITION SWITCH-1
Is the inspection result normal? YES >> INSPECTION END
NO >> GO TO 2.
2.CHECK BRAKE PEDAL POSITION SWITCH-2
Is the inspection result normal? YES >> INSPECTION END NO >> Replace brake pedal position 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".
Break-in schedule
CAUTIONDuring the first 1,200 miles (2,000 km),
follow these recommendations to obtain
maximum engine performance and ensure
the future reliability and economy of your
new vehicle. Failure to follow these recommendations
may result in shortened
engine life and reduced engine ...
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Interior room lamp power supply circuit
Description
Provides the interior room lamp power supply. Also cuts the power supply when
the interior room lamp battery
saver is activating.
Component Function Check
1.CHECK INTERIOR ROOM LAMP POWER SUPPLY FUNCTION
CONSULT ACTIVE TEST
Turn power switch ON.
Turn each interio ...