Infiniti G35 (V35). Manual — part 434
DTC P2138 APP SENSOR
EC-617
C
D
E
F
G
H
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J
K
L
M
A
EC
2.
CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT
1.
Disconnect accelerator pedal position (APP) sensor harness
connector.
2.
Turn ignition switch ON.
3.
Check voltage between APP sensor terminal 6 and ground with
CONSULT-II or tester.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 3.
3.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors E10, F1
●
Harness for open or short between ECM and APP sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
4.
CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-I
Check voltage between APP sensor terminal 4 and ground with
CONSULT-II or tester.
OK or NG
OK
>> GO TO 10.
NG
>> GO TO 5.
PBIB0996E
Voltage: Approximately 5V
PBIB0914E
Voltage: Approximately 5V
PBIB0915E
EC-618
DTC P2138 APP SENSOR
5.
CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-II
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check harness continuity between APP sensor terminal 4 and ECM terminal 91.
Refer to Wiring Diagram.
OK or NG
OK
>> GO TO 7.
NG
>> GO TO 6.
6.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors E10, F1
●
Harness for open between ECM and APP sensor
>> Repair open circuit.
7.
CHECK APP SENSOR 2 POWER SUPPLY CIRCUIT-III
Check harness for short to power and short to ground, between the following terminals.
OK or NG
OK
>> GO TO 8.
NG
>> Repair short to ground or short to power in harness or connectors.
8.
CHECK THROTTLE POSITION SENSOR
Refer to
EC-612, "Component Inspection"
OK or NG
OK
>> GO TO 16.
NG
>> GO TO 9.
9.
REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1.
Replace the electric throttle control actuator.
2.
Perform
EC-79, "Throttle Valve Closed Position Learning"
3.
Perform
EC-79, "Idle Air Volume Learning"
>> INSPECTION END
Continuity should exist.
ECM terminal
Sensor terminal
Reference Wiring Diagram
47
Electric throttle control actuator terminal 1
91
APP sensor terminal 4
DTC P2138 APP SENSOR
EC-619
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M
A
EC
10.
CHECK APP SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check harness continuity between the following;
APP sensor terminal 1 and ECM terminal 83,
APP sensor terminal 3 and ECM terminal 82.
Refer to Wiring Diagram.
4.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 12.
NG
>> GO TO 11.
11.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors E10, F1
●
Harness for open or short between ECM and APP sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
12.
CHECK APP SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1.
Check harness continuity between the following;
ECM terminal 106 and APP sensor terminal 5,
ECM terminal 98 and APP sensor terminal 2.
Refer to Wiring Diagram.
2.
Also check harness for short to ground and short to power.
OK or NG
OK
>> GO TO 14.
NG
>> GO TO 13.
13.
DETECT MALFUNCTIONING PART
Check the following.
●
Harness connectors E10, F1
●
Harness for open or short between ECM and APP sensor
>> Repair open circuit or short to ground or short to power in harness or connectors.
14.
CHECK APP SENSOR
Refer to
EC-620, "Component Inspection"
OK or NG
OK
>> GO TO 16.
NG
>> GO TO 15.
Continuity should exist.
Continuity should exist.
EC-620
DTC P2138 APP SENSOR
15.
REPLACE ACCELERATOR PEDAL ASSEMBLY
1.
Replace accelerator pedal assembly.
2.
Perform
EC-79, "Accelerator Pedal Released Position Learning"
.
3.
Perform
EC-79, "Throttle Valve Closed Position Learning"
4.
Perform
EC-79, "Idle Air Volume Learning"
>> INSPECTION END
16.
CHECK INTERMITTENT INCIDENT
Refer to
EC-151, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT"
.
>> INSPECTION END
Component Inspection
NBS0011G
ACCELERATOR PEDAL POSITION SENSOR
1.
Reconnect all harness connectors disconnected.
2.
Turn ignition switch ON.
3.
Check voltage between ECM terminals 106 (APP sensor 1 sig-
nal), 98 (APP sensor 2 signal) and ground under the following
conditions.
4.
If NG, replace accelerator pedal assembly and go to next step.
5.
Perform
EC-79, "Accelerator Pedal Released Position Learning"
.
6.
Perform
EC-79, "Throttle Valve Closed Position Learning"
7.
Perform
EC-79, "Idle Air Volume Learning"
Removal and Installation
NBS0011H
ACCELERATOR PEDAL
Refer to
ACC-3, "ACCELERATOR CONTROL SYSTEM"
.
Terminal
Accelerator pedal
Voltage
106
(Accelerator pedal position
sensor 1)
Fully released
0.5 - 1.0V
Fully depressed
3.9 - 4.7V
98
(Accelerator pedal position
sensor 2)
Fully released
0.15 - 0.60V
Fully depressed
1.95 - 2.40V
MBIB0023E
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