Mercedes-Benz Sprinter / Dodge Sprinter. Manual — part 117

TEST

ACTION

APPLICABILITY

8

Turn the ignition off.
Disconnect the APP Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance of the Sensor Ground circuit between the APP Sensor and the
ECM.
Is the resistance below 10.0 ohms?

All

Yes

Go To 9

No

→ Repair the APP Sensor Ground circuit for an open.

Perform ROAD TEST VERIFICATION - VER-2.

9

Turn the ignition off.
Disconnect the APP Sensor harness connector.
Using a 12-volt test light connected to 12-volts, check the Sensor Ground circuit of
the appropriate potentiometer.
Does the test light illuminate brightly?

All

Yes

→ Replace the Accelerator Pedal Position Sensor.

Perform ROAD TEST VERIFICATION - VER-2.

No

→ Replace and program the Engine Control Module in accordance

with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.

10

Turn the ignition off.
Disconnect the APP Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance of the APP Sensor Signal circuit.
Is the resistance below 10.0 ohms?

All

Yes

Go To 11

No

→ Repair the APP Sensor Signal circuit for an open

Perform ROAD TEST VERIFICATION - VER-2.

11

Turn the ignition off.
Disconnect the APP Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance between ground and the APP Sensor Signal circuit.
Is the resistance below 1000 ohms?

All

Yes

→ Repair the APP Sensor Signal circuit for a short to ground.

Perform ROAD TEST VERIFICATION - VER-2.

No

Go To 12

12

Turn the ignition off.
Disconnect the APP Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance between the APP Sensor Signal circuit and the Sensor
Ground circuit at the APP Sensor harness connector.
Is the resistance below 1000 ohms?

All

Yes

→ Repair the APP Sensor Signal and Sensor Ground circuits for a

short together.
Perform ROAD TEST VERIFICATION - VER-2.

No

Go To 13

76

DRIVEABILITY - DIESEL

P1222-ACC PEDAL POSITION SENSOR 1 CKT PLAUSIBILITY —

Continued

TEST

ACTION

APPLICABILITY

13

Turn the ignition off.
Disconnect the APP Sensor harness connector.
Disconnect the ECM harness connectors.
Remove the Engine Control Relay.
Connect a jumper wire between cavity 30 and cavity 87 of the Engine Control Relay
connector.
Turn the ignition on.
Measure the voltage of the APP Sensor Signal circuit.
Is the voltage above 1.0 volt?

All

Yes

→ Repair the APP Sensor Signal circuit for a short to voltage.

Perform ROAD TEST VERIFICATION - VER-2.

No

→ Replace and program the Engine Control Module in accordance

with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.

14

Turn the ignition off.
Disconnect the APP Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance of the Accelerator Pedal Position Sensor 5-volt Supply circuit.
Is the resistance below 10.0 ohms?

All

Yes

Go To 15

No

→ Repair the Accelerator Pedal Position Sensor 5-Volt Supply circuit

for an open.
Perform ROAD TEST VERIFICATION - VER-2.

15

Turn the ignition off.
Disconnect the APP Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance between the Accelerator Pedal Position Sensor 5-Volt Supply
circuit and both Sensor Ground circuits in the APP Sensor harness connector.
Is the resistance above 1000 ohms?

All

Yes

Go To 16

No

→ Repair the 5-Volt Supply circuit for a short to the Sensor Ground

circuit.
Perform ROAD TEST VERIFICATION - VER-2.

16

Turn the ignition off.
Disconnect the APP Sensor harness connector.
Disconnect the ECM harness connectors.
Measure the resistance between ground and the Accelerator Pedal Position Sensor
5-volt Supply circuit.
Is the resistance below 1000 ohms?

All

Yes

→ Repair the Accelerator Pedal Position Sensor 5-Volt Supply circuit

for a short to ground.
Perform ROAD TEST VERIFICATION - VER-2.

No

Go To 17

77

DRIVEABILITY - DIESEL

P1222-ACC PEDAL POSITION SENSOR 1 CKT PLAUSIBILITY —

Continued

TEST

ACTION

APPLICABILITY

17

Turn the ignition off.
Disconnect the APP Sensor harness connector.
Disconnect the ECM harness connectors.
Remove the Engine Control Relay.
Connect a jumper wire between cavity 30 and cavity 87 of the Engine Control Relay
connector.
Turn the ignition on.
Measure the voltage of the Accelerator Pedal Position Sensor 5-Volt Supply circuit in
the ECM harness connector.
Is the voltage above 1.0 volt?

All

Yes

→ Repair the Accelerator Pedal Position Sensor 5-Volt Supply circuit

for a short to voltage.
Perform ROAD TEST VERIFICATION - VER-2.

No

→ Replace and program the Engine Control Module in accordance

with the Service Information.
Perform ROAD TEST VERIFICATION - VER-2.

78

DRIVEABILITY - DIESEL

P1222-ACC PEDAL POSITION SENSOR 1 CKT PLAUSIBILITY —

Continued

Symptom:

P1480-GLOW PLUG INDICATOR ERROR

When Monitored and Set Condition:

P1480-GLOW PLUG INDICATOR ERROR

When Monitored:

Witth the ignition on.

Set Condition:

the ECM recieves a glow plug inidcator error message from the instru-

ment cluster over the CAN Bus.

POSSIBLE CAUSES

VERIFY CURRENT DTC

TEST

ACTION

APPLICABILITY

1

Turn the ignition on.
With the DRBIII

t, erase the ECM DTCs.

Perform several ignition key cycles leaving the ignition on for 10 seconds, then off for
10 seconds.
With the DRBIII

t, read the ECM DTCs.

Did this DTC set again?

All

Yes

→ Refer Refer to Instrument Cluster information for the related

symptom(s).
Perform ROAD TEST VERIFICATION - VER-2.

No

→ Test Complete.

79

DRIVEABILITY - DIESEL

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Текст

Политика конфиденциальности