Nissan Juke Service and Repair Manual : P1805 brake switch
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON.
2. Fully depress the brake pedal for at least 5 seconds.
3. Erase DTC.
4. Check 1st trip DTC.
Is 1st trip DTC detected? YES >> Go to EC-734, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis Procedure
1.CHECK STOP LAMP SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Check the stop lamp when depressing and releasing the brake pedal.
Is the inspection result normal? YES >> GO TO 4.
NO >> GO TO 2.
2.CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector.
3. Check the voltage between stop lamp switch harness connector and ground.
Is the inspection result normal? YES >> GO TO 4.
NO >> GO TO 3.
3.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E105, M77, M84, M201 (RHD models with M/T)
• 10 A fuse (No. 38)
• Harness for open or short between stop lamp switch and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect stop lamp switch harness connector.
2. Disconnect ECM harness connector.
3. Check the continuity between ECM harness connector and stop lamp switch harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal? YES >> GO TO 5.
NO >> Repair open circuit or short to ground or short to power in harness or connectors.
5.CHECK STOP LAMP SWITCH
Refer to EC-735, "Component Inspection".
Is the inspection result normal? YES >> GO TO 6.
NO >> Replace brake pedal assembly.
6.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident".
>> INSPECTION END
Component Inspection
1.CHECK STOP LAMP SWITCH-I
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch harness connector.
3. Check the continuity between stop lamp switch terminals under the following conditions.
Is the inspection result normal? YES >> INSPECTION END
NO >> GO TO 2.
2.CHECK STOP LAMP SWITCH-II
1. Adjust stop lamp switch installation. Refer to BR-22, "Inspection and Adjustment" (LHD models), BR-90, "Inspection and Adjustment" (RHD models).
2. Check the continuity between stop lamp switch terminals under the following conditions.
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace brake pedal assembly. Refer to BR-89, "Removal and Installation".
P1715 input speed sensor
Description ECM receives input speed sensor signal from TCM via the CAN communication line. ECM uses this signal for engine control. DTC Logic DTC DETECTION LOGIC NOTE: • If DTC P1715 is displ ...P2100, P2103 throttle control motor relay
DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PRECONDITIONING If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 se ...Other materials:
Symptom diagnosis
Squeak and rattle trouble diagnoses
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic
Worksheet during the interview to document the facts and conditions when the
noise occurs and any of
the cu ...
Front disc brake
Brake pad : Inspection and Adjustment
INSPECTION
Check brake pad wear thickness from an inspection hole on cylinder
body. Check using a scale if necessary.
Wear thickness : Refer to BR-71, "Front Disc Brake".
ADJUSTMENT
Burnish contact surfaces between disc rotor and brake pads acc ...
Precaution Necessary for Steering Wheel Rotation
after Battery Disconnect
NOTE:
• Before removing and installing any control units, first turn the push-button
ignition switch to the LOCK position,
then disconnect both battery cables.
• After finishing work, confirm that all control unit connectors are connected
properly, then re-connect both
battery cables.
• Alw ...