Nissan Versa Note. Manual — part 353
EC-394
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
P1720 VSS
YES
>> GO TO 3.
NO
>> Perform trouble shooting relevant to DTC indicated.
3.
CHECK COMBINATION METER FUNCTION
Check combination meter function. Refer to
.
>> INSPECTION END
P1805 BRAKE SWITCH
EC-395
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
C
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F
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EC
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P1805 BRAKE SWITCH
DTC Logic
INFOID:0000000009020889
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
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009020890
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.
• 10 A fuse (No. 30)
• 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.
DTC No.
Trouble diagnosis content
DTC detecting condition
Possible cause
P1805
Brake switch
A brake switch signal is not sent to ECM
for extremely long time while the vehicle is
driving.
• Harness or connectors
(Stop lamp switch circuit is open or shorted.)
• Stop lamp switch
Brake pedal
Stop lamp
Fully released
Not illuminated
Slightly depressed
Illuminated
Stop lamp switch
Ground
Voltage
Connector
Terminal
E57 (M/T)
E13 (CVT)
1
Ground
Battery voltage
EC-396
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
P1805 BRAKE SWITCH
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
EC-396, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Replace brake pedal assembly. Refer to
BR-19, "Removal and Installation"
6.
CHECK INTERMITTENT INCIDENT
GI-41, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000009020891
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-20, "Inspection and Adjustment"
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-19, "Removal and Installation"
ECM
Stop lamp switch
Continuity
Connector
Terminal
Connector
Terminal
E16
99
E57 (M/T)
E13 (CVT)
2
Existed
Terminals
Condition
Continuity
1 and 2
Brake pedal
Fully released
Not existed
Slightly depressed
Existed
Terminals
Condition
Continuity
1 and 2
Brake pedal
Fully released
Not existed
Slightly depressed
Existed
P2096, P2097 A/F SENSOR 1
EC-397
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
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EC
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P2096, P2097 A/F SENSOR 1
DTC Logic
INFOID:0000000009445313
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting the next test.
1. Turn ignition switch OFF and wait least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 11 at idle.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1. Clear the mixture ratio self-learning value. Refer to
.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Start engine and keep the engine speed between 3,500 and 4,000 rpm for 1 minute under no load.
4. Let engine idle for 1 minute.
5. Keep engine speed between 2,500 and 3,000 rpm for 20 minutes.
6. Check 1st trip DTC.
Is 1st trip DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009445314
1.
CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E15. Refer to Ground Inspection in
.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace ground connection.
2.
RETIGHTEN A/F SENSOR 1 AND HEATED OXYGEN SENSOR 2
Loosen and retighten the A/F sensor 1 and heated oxygen sensor 2. Refer to
.
>> GO TO 3.
3.
CHECK FOR EXHAUST GAS LEAK
1. Start engine and run it at idle.
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 sensor 1 signal is shifts to the lean side for a
specified period.
• A/F sensor 1
• A/F sensor 1 heater
• Heated oxygen sensor 2
• Fuel pressure
• Fuel injector
• Intake air leaks
• Exhaust gas leaks
P2097
POST CAT FUEL TRIM SYS
B1
(Post catalyst fuel trim system
too rich bank 1)
The A/F signal computed by ECM from the A/F
sensor 1 signal is shifts to the rich side for a spec-
ified period.
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