Honda Element. Manual — part 63

Fig. 185: Manifold Absolute Pressure (MAP) Sensor Output Voltage - Graph

Fig. 186: Manifold Absolute Pressure (MAP) Sensor Normal Operation And System Failure - 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 (idling) and high signal voltage
at low-vacuum (throttle valve wide open).

The engine control module (ECM)/powertrain control module (PCM) compares a predetermined MAP value at
a given throttle position and manifold absolute pressure to the output voltage value of the MAP sensor.

If the MAP sensor outputs lower voltage than expected, the ECM/PCM detects a malfunction and stores a DTC.

2007 Honda Element EX

2007 ENGINE PERFORMANCE Advanced Diagnostics - Element

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

MONITOR DESCRIPTION

Enable Conditions

ENABLE CONDITIONS

Malfunction Threshold

The MAP sensor output is 28 kPa (8.4 in.Hg, 215 mmHg)* or less for at least 2 seconds when atmospheric
pressure is 52 kPa (15.4 in.Hg, 392 mmHg).

*: Depending on atmospheric pressure.

Driving Pattern

1. Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the radiator

fan comes on.

2. Drive the vehicle at a speed of 15 mph (24 km/h) or more with a throttle position as specified under

Enable Conditions for at least 2 seconds.



Drive the vehicle in this manner only if the traffic regulations and ambient conditions allow.

Execution

Once per driving cycle

Sequence

None

Duration

2 seconds or more

DTC Type

Two drive cycles, MIL ON

OBD Status

PASSED/FAILED/NOT COMPLETED (STILL TESTING)

Condition

Minimum

Maximum

Elapsed time after
the VTEC system
changes

2 seconds

-

Engine coolant
temperature

34 °F (1 °C)

-

Engine speed

1,400 rpm

-

Vehicle speed

15 mph (24 km/h)

-

Throttle
position

1,000
rpm

13.4 °

-

3,000
rpm

28.1 °

-

Fuel feedback

Other than during fuel cut-off operation

No active DTCs

P0107, P0108, P0117, P0118, P0122, P0123, P0171, P0172, P0222, P0223, P0300,
P0301, P0302, P0303, P0304, P0341, P0506, P0507, P1129, P2101, P2108, P2118,
P2122, P2123, P2127, P2128, P2135, P2138, P2176, P2227, P2228, P2229, P2646,
P2647, P2648, P2649, U0107

2007 Honda Element EX

2007 ENGINE PERFORMANCE Advanced Diagnostics - Element

Diagnosis Details

Conditions for illuminating the MIL

When a malfunction is detected during the first drive cycle, a Temporary DTC is stored in the ECM/PCM
memory. If the malfunction recurs during the next (second) drive cycle, the MIL comes on and the DTC and the
freeze frame data are stored.

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

DTC P1129 (5): ADVANCED DIAGNOSTICS

DTC P1129: MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR SIGNAL HIGHER THAN
EXPECTED

Fig. 187: Manifold Absolute Pressure (MAP) Sensor Output Voltage - Graph

2007 Honda Element EX

2007 ENGINE PERFORMANCE Advanced Diagnostics - Element

Fig. 188: Manifold Absolute Pressure (MAP) Sensor Normal Operation And System Failure - 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).

The engine control module (ECM)/powertrain control module (PCM) compares a predetermined MAP value at
a given throttle position and manifold absolute pressure to the output voltage value of the MAP sensor.

If the MAP sensor outputs high voltage during fuel cut-off operation for deceleration with the throttle valve
fully closed, which should make the manifold absolute pressure lower, the ECM/PCM detects a malfunction
and stores a DTC.

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

MONITOR DESCRIPTION

Enable Conditions

ENABLE CONDITIONS

Execution

Once per driving cycle

Sequence

None

Duration

2 seconds or more

DTC Type

Two drive cycles, MIL ON

OBD Status

PASSED/FAILED/NOT COMPLETED (STILL TESTING)

Condition

Minimum

Maximum

Elapsed time after

2007 Honda Element EX

2007 ENGINE PERFORMANCE Advanced Diagnostics - Element