2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 2239

- A89 (DTR controller unit)

Test prerequisite

- The voltage test at component G1 (Battery) is o.k.

- Fuse 45 in component N10/1 (Driver-side SAM control unit with fuse and relay module) is o.k.

Test sequence

- Switch off ignition.

- Detach coupling at component A89 (DTR controller unit).

- 1.Measure direct voltage with multimeter between sockets 1 and 1.6

- Switch on ignition.

Specified value

- [11.0 ... 14.5] V

Question

- Is the value o.k.?

YES

Note

- In the event of stored faults with a high fault frequency count or in the event of customer complaints, check lines and connectors for loose

contact and corrosion..

End of test

NO

The measured value is not within the specified value range.Possible cause and remedy

- Cables between component N10/1 (Driver-side SAM control unit with fuse and relay module) and control module A89 (DTR controller unit)

- Plug connection X11/36

manuels pour les informations les plus récentes.******** Audi S5 Quattro Cabriolet (8F7) V6-3.0 L SC (CCBA) Techniques de DIAGNOSTIC ET de RÉPARATION # 611114 Date: 110816

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 1214

Figure legend

- A1 (Instrument cluster)

- A89 (DTR controller unit)

- N3/9 (CDI control unit)

- N3/10 (ME-SFI [ME] control unit)

- N15/3 (ETC [EGS] control unit)

- N15/5 (Electronic selector lever module control unit)

- N47-5 (ESP, SPS [PML] and BAS control unit)

- N51 (AIRmatic with ADS control module)

- N63/1 (DTR control module)

- N71 (Headlamp range adjustment control module)

- N73 (EIS [EZS] control unit)

- N80 (Steering column module)

- N93 (Central gateway control unit)

- N97 (Rear axle level control system control module)

- X11/4 (Diagnosis test connector)

- X30/5 (Left voltage distributor (CAN) connector)

- Installation point of plug connection X30/5 (Left voltage distributor (CAN) connector)

- Communication with ECU required

1.1.3.1.2. Wiring diagram of CAN bus

Note

- WIS is not available on this system.

- It is not possible to display the requested WIS document [ pe0019p2200da ].

- You can start WIS on another system and display the WIS document by entering the document number [ pe0019p2200da ] in the 'Contents'

field.

1.1.3.1.2. No further information available.

1.1.3.2. Measurements with multimeter on CAN network

******** Audi A4 Berline (8K2) L4 2.0 L Turbo (CAEB) Bulletin de Service Technique # 170909 Date: 090521

170909 - 05/21/09

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 2511

2.1.3.2.1.11. Check power supply at control unit N73 (EIS [EZS] control unit).

Test prerequisite

- Battery voltage is OK.

- Fuse F34f29 (Fuse 29) is OK.

Status of relevant actual value:

- Power supply:Warning! Communication with ECU required.

Specified value

- Power supply [11.0...14.5] V

Question

- Is the actual value o.k.?

YES

The actual value is okay.Possible cause and remedy

- In the event of stored faults with a high fault frequency count or in the event of customer complaints, check lines and connectors for loose

contact and corrosion..

- Check alternator.

End of test

NO

The actual value is not o.k.Test sequence

- Switch off ignition.

- Detach sockets A and C at component N73 (EIS [EZS] control unit).

- Measure direct voltage with multimeter between sockets (N73) B.2 and (N73) C.1

Specified value

- Voltage [11.0...14.5] V

Question

- Are the measurement values OK?

YES

The measurement values are OK.Possible cause and remedy

- Inspect connector B,C at control unit N73 (EIS [EZS] control unit) for damage, correct connection, loose contact and corrosion and repair, if

necessary.

- N73 (EIS [EZS] control unit)

******** Audi S4アトロセダン(8K2)V6-3.0L SC(CCBA)技術的な診断-補 修#261215日:121105

排出量-MIL/DTCのP0491とP0492セット

01百万円(DTC P0491and P0492)、保存と同時に

26 12 15

2026528/7

月5,2012.がある場合、弊社にお知技術サービス紀要グループ26番12-10日付年月30日に2012年のための次の場合を除きいかなる理由がある。

影響を受け車両

条件

^MILます。

^DTC P0491とP0492(二次空気システムの不十分な流れは、銀行1/2)が格納される。

^マイルより20,000マイルです。

技術的背景

該当ありません。

制作のトータルソリューション

該当ありません。

サービス

3

のためのA6呼び技術支援センター(TAC)Audi Q5S4は以下のとおりです。

1. すべて削除DTCs、エンジンで発熱する場合があります。2. Go"基本設定"VAS試験機(VSD)を選択し、"二次空気システム"にチェックします。

まず、始めに試験の試験機を長押しして最初にブレーキペダルのガスペダルにします。

3. 観察MVB:

PRS_SA_DIF注減価値3secの試験フェーズ1テスト、図1です。 圧力試験のグラフMASS_SA_REL末試験）

注意：

の再起動を試験するしなければならないVSDのメイン画面とサイクルを図っています。

4. 呼び技術支援センター(TAC)の結果（2値）。

4

保証

追加情報すべての部品およびサービスを参照のこTSBしに変更又は削除します。 必ず確認してくださいお部品部門、サービス

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 1646

End of test

NO

The measurement values are not OK.Possible cause and remedy

- Check lines between components N73 (EIS [EZS] control unit) and N10/1 (Driver-side SAM control unit with fuse and relay module) and

repair or replace if necessary.

- Fuse and component F34 (Interior fuse box)

Continue with button F2

Possible cause and remedy

- Check component N10/1 (Driver-side SAM control unit with fuse and relay module).

Question

- Continue troubleshooting in control unit N10/1 (Driver-side SAM control unit with fuse and relay module)?

1.1.3.2.1.11. No further information available.

1.1.3.2.1.12. Check power supply at control unit N80 (Steering column module).

Manual check of supply voltage

Test prerequisite

- The fuses are OK.

- One of the fault codes 9010/9011 is present, or the associated actual value is not OK.

Test sequence

- Remove component N80 (Steering column module).

- Disconnect connector A at component N80 (Steering column module).

- Switch on ignition.

- Measure direct voltage with multimeter between sockets [N80] A.8 and [N80] A.9

Specified value

- Voltage [11.0...14.5] V

Question

- Is the measurement value OK?

YES

The measurement value is OK.Possible cause and remedy

- Inspect connector A at control unit N80 (Steering column module) for damage, correct connection, loose contact and corrosion and repair, if

necessary.

- Otherwise select further tests.

End of test

NO

The measurement value is not OK.Possible cause and remedy

- Line between component N80 (Steering column module) and component N10/1 (Driver-side SAM control unit with fuse and relay module)

- Z7/58 (Circuit 30 connector sleeve)

- Line between component N80 (Steering column module) and component W15/1 (Ground (right footwell))

- Z6 (Ground connector sleeve)

- N10/1 (Driver-side SAM control unit with fuse and relay module)

End of test

1.1.3.2.1.13. Check power supply at control unit Y3/8n4 (Fully integrated transmission control (VGS) control unit).

Operation number of operation texts and work units or standard texts and flat rates:27-0641Test prerequisite

- Battery voltage is OK.

- Fuse N10/1f46 (Fuse 46) in component N10/1 (Driver-side SAM control unit with fuse and relay module) is o.k.

Test sequence

- Switch off ignition.

- Separate plug connection at transmission.

- Measure voltage in transmission wiring harness using a multimeter.