Nissan Versa Sedan. Instruction — part 350
P2100, P2103 THROTTLE CONTROL MOTOR RELAY
EC-399
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
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2.
CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-I
1. Disconnect ECM harness connector.
2. Disconnect IPDM E/R harness connector F115.
3. Check the continuity between ECM harness connector and IPDM E/R harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
DETECT MALFUNCTIONING PART
Check the following.
• IPDM E/R connector F42
• Harness for open or short between IPDM E/R and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.
CHECK FUSE
1. Disconnect 20 A fuse (No. 53) from IPDM E/R.
2. Check 20 A fuse for blown.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Replace 20 A fuse.
5.
CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-I
1. Check voltage between ECM harness connector and ground under the following conditions.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> GO TO 6.
6.
CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-II
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Disconnect IPDM E/R harness connector F42.
4. Check the continuity between ECM harness connector and IPDM E/R harness connector.
5. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> GO TO 7.
ECM
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
F10
15
F42
32
Existed
ECM
Conditions
Voltage
+
−
Connector
Terminal
Connector
Terminal
F10
2
E16
108
Ignition switch: OFF
Approx. 0 V
Ignition switch: ON
Battery voltage
ECM
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
F10
2
F42
29
Existed
EC-400
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
P2100, P2103 THROTTLE CONTROL MOTOR RELAY
7.
DETECT MALFUNCTIONING PART
Check the following.
• IPDM E/R connector F42
• Harness for open or short between IPDM E/R and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
8.
CHECK FUSE
1. Disconnect 15 A fuse (No. 52) from IPDM E/R.
2. Check 15 A fuse for blown.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Replace 15 A fuse.
9.
CHECK INTERMITTENT INCIDENT
GI-45, "Intermittent Incident"
Is the inspection result normal?
YES
>> Replace IPDM E/R. Refer to
PCS-30, "Removal and Installation"
(WITH I-KEY) or
(WITHOUT I-KEY).
NO
>> Repair or replace harness or connectors.
P2101 ELECTRIC THROTTLE CONTROL FUNCTION
EC-401
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
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P2101 ELECTRIC THROTTLE CONTROL FUNCTION
DTC Logic
INFOID:0000000009267275
DTC DETECTION LOGIC
NOTE:
• If DTC P2101 is displayed with DTC P2100, first perform the trouble diagnosis for DTC P2100. Refer
.
• If DTC P2101 is displayed with DTC P2119, first perform the trouble diagnosis for DTC P2119. Refer
.
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following before conduct-
ing the next test.
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 11 V when
engine is running.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON and wait at least 2 seconds.
2. Start engine and let it idle for 5 seconds.
3. Check DTC.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009267276
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.
CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT
1. Turn ignition switch ON.
2. Check the voltage between ECM harness connector and ground.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P2101
Electric throttle control
performance
Electric throttle control function does not
operate properly.
• Harness or connectors
(Throttle control motor circuit is open or shorted)
• Electric throttle control actuator
ECM
Condition
Voltage
+
−
Connector
Terminal
Connector
Terminal
F10
2
E16
108
Ignition switch OFF
Approx. 0 V
Ignition switch ON
Battery voltage
EC-402
< DTC/CIRCUIT DIAGNOSIS >
[HR16DE]
P2101 ELECTRIC THROTTLE CONTROL FUNCTION
Is the inspection result normal?
YES
>> GO TO 11.
NO
>> GO TO 3.
3.
CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-I
1. Turn ignition switch OFF.
2. Check voltage between ECM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> GO TO 4.
4.
CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-II
1. Disconnect ECM harness connector.
2. Disconnect IPDM E/R harness connector F42.
3. Check the continuity between ECM harness connector and IPDM E/R harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
DETECT MALFUNCTIONING PART
Check the following.
• IPDM E/R connector F42
• Harness for open or short between IPDM E/R and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
6.
CHECK FUSE
1. Disconnect 20 A fuse (No. 53) from IPDM E/R.
2. Check 20 A fuse for blown.
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Replace 20 A fuse.
7.
CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT-III
1. Disconnect ECM harness connector.
2. Disconnect IPDM E/R harness connector F42.
3. Check the continuity between ECM harness connector and IPDM E/R harness connector.
4. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
>> GO TO 10.
ECM
Voltage
+
−
Connector
Terminal
Connector
Terminal
F10
15
E16
108
Battery voltage
IPDM E/R
ECM
Continuity
Connector
Terminal
Connector
Terminal
F42
32
F10
15
Existed
IPDM E/R
ECM
Continuity
Connector
Terminal
Connector
Terminal
F42
29
F10
2
Existed
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