Acura RL. Instruction — page 1

2007 ENGINE PERFORMANCE

Advanced Diagnostics — RL

DTC P0107 (3): ADVANCED DIAGNOSTICS

DTC P0107: MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR CIRCUIT LOW VOLTAGE

Fig. 1: Manifold Absolute Pressure (MAP) Sensor (Low Voltage) — Circuit Diagram

Fig. 2: Manifold Absolute Pressure (MAP) Sensor Output Voltage Graph

General Description

The manifold absolute pressure (MAP) sensor senses manifold absolute pressure (vacuum) and converts it
into electrical signals. The MAP sensor outputs low signal voltage at high-vacuum (throttle valve closed)
and high signal voltage at low-vacuum (throttle valve wide open).

If a signal voltage from the MAP sensor is a set value or less, the powertrain control module (PCM) detects
a malfunction and a DTC is stored.

Monitor Execution, Sequence, Duration, DTC Type, OBD Status

2007 Acura RL

2007 ENGINE PERFORMANCE Advanced Diagnostics — RL

2007 Acura RL

2007 ENGINE PERFORMANCE Advanced Diagnostics — RL

me

Friday, June 05, 2009 2:32:02 PM

Page 1

© 2005 Mitchell Repair Information Company, LLC.

me

Friday, June 05, 2009 2:32:15 PM

Page 1

© 2005 Mitchell Repair Information Company, LLC.

MONITOR DESCRIPTION CHART

Enable Conditions

ENABLE CONDITIONS

Malfunction Threshold

The MAP sensor output voltage is 0.23 V or less for at least 2 seconds.

Diagnosis Details

Conditions for illuminating the MIL

When a malfunction is detected, the MIL comes on and the DTC and the freeze frame data are stored in the
PCM memory.

Conditions for clearing the MIL

The MIL will be cleared if the malfunction does not recur during three consecutive trips in which the
diagnostic runs.

The MIL, the DTC, and the freeze frame data can be cleared by using the scan tool Clear command or by
disconnecting the battery.

DTC P0108 (3): ADVANCED DIAGNOSTICS

DTC P0108: MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR CIRCUIT HIGH VOLTAGE

Execution

Continuous

Sequence

None

Duration

2 seconds or more

DTC Type

One drive cycle, MIL ON

OBD Status

N/A

Condition

Ignition switch

ON

No active DTCs

P0108

2007 Acura RL

2007 ENGINE PERFORMANCE Advanced Diagnostics — RL

me

Friday, June 05, 2009 2:32:02 PM

Page 2

© 2005 Mitchell Repair Information Company, LLC.

Fig. 3: Manifold Absolute Pressure (MAP) Sensor (High Voltage) — Circuit Diagram

Fig. 4: Manifold Absolute Pressure (MAP) Sensor Output Voltage Graph

General Description

The manifold absolute pressure (MAP) sensor senses manifold absolute pressure (vacuum) and converts it
into electrical signals. The MAP sensor outputs low signal voltage at high-vacuum (throttle valve closed)
and high signal voltage at low-vacuum (throttle valve wide open). If a signal voltage from the MAP sensor
is a set value or more, the powertrain control module (PCM) detects a malfunction and a DTC is stored.

Monitor Execution, Sequence, Duration, DTC Type, OBD Status

MONITOR DESCRIPTION CHART

Enable Conditions

ENABLE CONDITIONS

Malfunction Threshold

The MAP sensor output voltage is 4.49 V or more for at least 2 seconds.

Diagnosis Details

Conditions for illuminating the MIL

Execution

Continuous

Sequence

None

Duration

2 seconds or more

DTC Type

One drive cycle, MIL ON

OBD Status

N/A

Condition

Ignition switch

ON

No active DTCs

P0107

2007 Acura RL

2007 ENGINE PERFORMANCE Advanced Diagnostics — RL

me

Friday, June 05, 2009 2:32:02 PM

Page 3

© 2005 Mitchell Repair Information Company, LLC.

When a malfunction is detected, the MIL comes on and the DTC and the freeze frame data are stored in the
PCM memory.

Conditions for clearing the MIL

The MIL will be cleared if the malfunction does not recur during three consecutive trips in which the
diagnostic runs.

The MIL, the DTC, and the freeze frame data can be cleared by using the scan tool Clear command or by
disconnecting the battery.

DTC P0111 (10): ADVANCED DIAGNOSTICS

DTC P0111: INTAKE AIR TEMPERATURE (IAT) SENSOR CIRCUIT RANGE/PERFORMANCE
PROBLEM

Fig. 5: Intake Air Temperature (IAT) Sensor Performance Graph

General Description

Two engine coolant temperature sensors and one intake air temperature sensor are used by the powertrain
control module (PCM).

When the engine is stopped and enough time has passed, the temperature of the engine will equal the
ambient temperature. When an inappropriate temperature is detected after comparing the temperature
readings of each sensor, a malfunction in the corresponding sensor is detected and a DTC is stored.

2007 Acura RL

2007 ENGINE PERFORMANCE Advanced Diagnostics — RL

me

Friday, June 05, 2009 2:32:02 PM

Page 4

© 2005 Mitchell Repair Information Company, LLC.

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