F0:Data List - Test Step 05 MAP Sensor Opel Corsa B

Multec-M (14 SE / C 14 SE / C 16 SE) F0:DATA LIST

Engine running at idle speed,

operating temperature

4.26 to 5.0 V

(dependent on

altitude)

0.30 to 0.43 bar

· Ignition OFF

· Disconnect plug from throttle valve potentiometer P 34.

· Disconnect plug from intake manifold pressure sensor P 23.

· Ignition ON

0.1 bar

from: intake manifold pressure sensor P 23 Ter. C (+ 5 volts)

· Ignition OFF

· Bridge intake manifold pressure sensor plug P 23:

from: wiring harness plug Ter. C

to: wiring harness plug Ter. B

· Ignition ON

4.7 to 5.1 volts

from: intake manifold pressure sensor P 23 Ter. A (ground)

to: intake manifold pressure sensor P 23 Ter. B (input)

· Lead interruption

from: control unit K 57/K 91 Ter. A 7 (input)

to: intake manifold pressure sensor P 23 Ter. B

or

from: control unit K 57/K 91 Ter. B 8 (+ 5 volts)

to: intake manifold pressure sensor P 23 Ter. C

· Ignition OFF

· Connect throttle valve potentiometer plug P 34

· Ignition ON

· Ignition OFF

· Disconnect coolant temperature sensor plug P 30

· Using multimeter, measure voltage:

from: wiring harness plug P 30 Ter. 1 (BR: brown)

to: intake manifold pressure sensor plug P 23 Ter. A

Passage

(less than 3 W)

from: wiring harness plug P 30 Ter. 1 (BR: brown)

to: intake manifold pressure sensor plug P 23 Ter. A

· Test step 03: coolant temperature

· Reconnect plug P 23

Connect Vavuum Pump MKM-667 to hose of P 23

· Ignition OFF

· Ignition ON

0 bar

0.2 bar

0.4 bar

0.6 bar

4.7 to 5.1 volts

3.4 to 3.9 volts

2.3 to 2.8 volts

1.2 to 1.7 volts

· Intake manifold pressure sensor defective

· Vacuum hose leaky or blocked