| Inspection |
| 1. |
Check signal waveform of HO2S using a diagnostic tool.
|
| 1. |
Turn the ignition switch OFF.
|
| 2. |
Disconnect the knock sensor connector.
|
| 3. |
Measure resistance between HO2S heater terminals 3 and 4.
|
| 4. |
Check that the resistance is within the specification.
|
| Removal |
| 1. |
Turn the ignition switch OFF and disconnect the battery negative (-)
terminal.
|
| 2. |
Disconnect the connector (A), and then remove the sensor (B).
[Bank 1 / Sensor 1]
[Bank 1 / Sensor 2]
|
| Installation |
|
|
| 1. |
Install in the reverse order of removal.
|
Circuit Diagram [M/T] [A/T] Harness Connector [Bank 1 / Sensor 1] [Bank 1 / Sensor 2]
Description Accelerator Position Sensor (APS) is installed on the accelerator pedal module and detects the rotation angle of the accelerator pedal.
Description The PTC (Positive Temperature Coefficient) heater is installed at the exit or the backside of heater core. The PTC heater is an electric heater using a PTC element as an auxiliary heating device that supplements deficiency of interior heat source in highly effective diesel engine.