EXHAUST GAS PRESSURE SENSOR INSPECTION [SKYACTIV-D 2.2]
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Exhaust Gas Pressure Sensor No.1
Visual inspection
1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)
2. Remove the exhaust gas pressure sensor No.1. (See EXHAUST GAS PRESSURE SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)
3. Visually inspect the exhaust gas pressure sensor No.1 for the following malfunction:
4. Visually inspect the air hose for the following malfunction:
Output signal inspection
1. Connect the M-MDS to the DLC-2.
2. Switch the ignition ON (engine off).
3. Display PIDs EXHPRES1 and BARO using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-D 2.2)].)
4. Verify that the PID EXHPRES1 value is within the range in the table below for the PID BARO value.
Output signal
PID BARO (KPa)
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PID EXHPRES1 (KPa)
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Minimum value
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Maximum value
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95
|
75
|
115
|
96
|
76
|
116
|
97
|
77
|
117
|
98
|
78
|
118
|
99
|
79
|
119
|
100
|
80
|
120
|
101
|
81
|
121
|
102
|
82
|
122
|
103
|
83
|
123
|
104
|
84
|
124
|
105
|
85
|
125
|
106
|
86
|
126
|
5. Measure the voltage at the exhaust gas pressure sensor No.1 terminal A and C.
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6. Inspect for continuity between the following terminals (wiring harness-side):
Exhaust Gas Pressure Sensor No.2
Visual inspection
1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)
2. Remove the exhaust gas pressure sensor No.2. (See EXHAUST GAS PRESSURE SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)
3. Visually inspect the exhaust gas pressure sensor No.2 for the following malfunction:
4. Visually inspect the air hose for the following malfunction:
Voltage inspection
1. Switch the ignition ON (engine off).
2. Measure the voltage at the exhaust gas pressure sensor No.2 terminal C.
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3. Start the engine.
4. Measure the voltage at the exhaust gas pressure sensor No.2 terminal C when the accelerator pedal is depressed.
Specification (Reference)
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Unit inspection
1. Switch the ignition ON (engine off).
2. Connect the M-MDS to the DLC-2.
3. Access the PID/DATA monitor item EXHPRES_DIF using the M-MDS. (See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-D 2.2)].)
4. When the ignition is switched ON, verify the value of the PID item EXHPRES_DIF.
5. Disconnect the air hose at the position shown in the figure.
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6. Install the Mityvac to the position shown in the figure.
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7. Verify the Mityvac gauge value and PID item EXHPRES_DIF when pressure is applied to exhaust gas pressure sensor No.2.
8. Install the Mityvac to the position shown in the figure.
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9. Verify the value of the PID item EXHPRES_DIF when 110 kPa of pressure is applied to exhaust gas pressure sensor No.2.