Scania EMS Instrumentation Operator's Manual

Name: Scania EMS Instrumentation
Brand: Scania
SKU: 4535372
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Scania EMS

Instrumentation

1 588 955

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Contents

Scania EMS Instrumentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Instrument Panel (analogue) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Troubleshooting using flash codes for the EMS control unit . . . . . . 8 Overview of flashing codes for EMS control unit . . . . . . . . . . . . . . 9 Troubleshooting using flash codes for the EMS coordinator . . . . . 10 Overview of flash codes for EMS coordinator . . . . . . . . . . . . . . . . 11 Scania Control Panel (SCP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Remote Control Box (RCB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Scania EMS Display (SED) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Favourite screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Information (4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Fault codes (5). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Settings (6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Alarm and fault code generation . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

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Scania EMS Instrumentation

General

The base system comprises of the main supply box (MSB), the junction box for the coordinator (CBC) and the coordinator (COO). The main supply box is connected directly to the S6 control unit.

For this base system there are several different options for connection to the system:

-Scania EMS digital display together with a control panel with ignition key.

-A remote control box which enables controlling the engine from the engine room.

-An analogue instrument panel instead of the digital display or together with it.

-A Scania APS sensor (accelerator pedal sensor).

-In addition, the system can be doubled if there are two control pulpits.

The whole system for instrumentation is Plug and Play which makes it very simple to install.

See illustration of dual system on the next page.

In this Operator's manual, only the analogue instrument panel 9,

Scania EMS display 10 and Control Panel, 8 and 9, are described.

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Scania EMS Instrumentation Operator's Manual

	7	8
	12	8
	12
	9	9

1.Control Unit S6

2.Main Supply Box

3.Coordinator

4.Coordinator

5.Connection Box Coordinator (master)

6.Connection Box Coordinator (slave)

7.Control Panel (master)

8.Control Panel (slave)

9.Instrument Panel

10.Scania EMS Display

11.Accelerator Position Sensor

12.Remote Control Box

Scania instrumentation, dual system

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Instrument Panel (analogue)

General

The analogue instrument panel has instruments for reading rotation speed with hour counter, coolant temperature and oil pressure as well as switches and lamps for diagnosis and alarm.

The analogue instrument panel has the following functions:

Also see illustration on next page.

Lamp intensity (S54)

The intensity of the gauges can be regulated with this roller control.

Buzzer off (S51)

This button deactivates the buzzer sound on any existing alarm. The warning lamp for the current alarm trigger will continue to illuminate until the fault is rectified.

Lamp test (S52)

With this button it is possible to check that the system lamps are intact and functioning. When the button is activated the coordinator will activate all lamps on the panel and the buzzer will sound. The lamps illuminate and the buzzer sounds as long as the button is depressed.

When the key in the control panel is turned to the Ignition position an automatic lamp test takes place for 2 seconds and the buzzer sounds for 1 second.

Diagnosis EMS/COO (W21 and S53)

This is a 3-position switch which belongs to diagnostic lamp W21. The diagnostic lamp remains lit for as long as the system has an active fault code.

When the switch is activated in the direction of the COO for at least 1 second, the coordinator will send out any fault codes as flash codes on the diagnostic lamp (W21).

When the switch is activated in the direction of the EMS for at least 1 second, the coordinator will send out any fault codes for the EMS the control unit as flash codes on the diagnostic lamp (W21).

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In order to read flash codes with dual instrumentation it is necessary to demand diagnosis from the instrument panel where the coordinator in question is connected.

For further information on reading and deleting flash codes, see

Troubleshooting using flash codes.

Warning lamps (W1, W4, W5, W6, W7)

On the warning lamp panel there are warning lamps for alternator charging, oil pressure, coolant temperature and coolant level. Warning lamp for hydraulic pressure is not used.

W6 W1 W5 W7 W4 S53 W21

S54

S52

S51

O1 Tachometer with hour counter

O2 Coolant temperature gauge

O3 Oil pressure gauge

S51 Deactivation of buzzer

S52 Lamp test switch

S53 Diagnostic switch

S54 Rheostat for instrument lighting

W1 Charge warning lamp

W4 Warning lamp, coolant temperature

W5 Warning lamp, oil pressure

W6 Warning lamp, hydraulic pressure

W7 Warning lamp, coolant level

W21 Diagnostic lamp

Scania analogue instrument panel

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Troubleshooting using flash codes for the EMS control unit

1.Switch on the ignition. If the diagnostic lamp is on after 2 seconds there is an active fault.

2.Activate the diagnostic switch (S53) to the left to see the flash codes for the control unit (EMS).

3.A fault code will then flash on the diagnostic lamp (W21). This flash code consists of long flashes (approximately 1 second long) and short flashes (0.3 seconds long). Long flashes are equivalent to tens and short flashes to units.

Example: long - short - short = fault code 12.

4.Repeat this procedure until the first flash code is repeated. This means that the entire fault code memory has been flashed out. If the fault code memory is empty, only one long flash approximately 4 seconds long will be given.

5.See the flash code table on the next page for a description and localisation of the fault.

6.In order to obtain further information on the fault code, the PC-based diagnostics tool or Scania EMS Display must be used. Contact an authorised Scania workshop.

7.The diagnostic lamp will stay on for as long as a fault is active. Even if the lamp has gone off and the fault is no longer active, the code can generally be read off in accordance with the instruction above.

8.When a fault has been rectified the fault code can be erased as described below.

Erasing fault codes (flash codes)

1.Turn the ignition off. If there is dual instrumentation the ignition must be switched off on both panels.

2.Activate the diagnostic switch in the direction of the flash codes, i.e. to the left for EMS.

3.Turn the ignition on at the same time as holding the diagnostic switch activated to the left (EMS) for 3 seconds.

4.This will erase passive fault codes which can be read off via flash code for the relevant system. The rest of the fault code will remain in the EEPROM and can only be deleted using the PC tool.

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Overview of flashing codes for EMS control unit

Code	Description	Code	Description


0	No fault detected.	53	PDE in cylinder 3: The solenoid valve does not
0	No fault detected.	53	work correctly.

11	Overspeed. One or both rotation speed	54	PDE in cylinder 4: The solenoid valve does not
11	sensors are indicating values above 3000 rpm.	54	work correctly.

12	Rotation speed sensor 1 faulty, or incorrect	55	PDE in cylinder 5: The solenoid valve does not
12	signal.	55	work correctly.

13	Rotation speed sensor 2 faulty, or incorrect	56	PDE in cylinder 6: The solenoid valve does not
13	signal.	56	work correctly.

14	Coolant temperature sensor faulty, or incorrect	57	PDE in cylinder 7: The solenoid valve does not
14	signal.	57	work correctly.

15	Charge air temperature sensor faulty, or	58	PDE in cylinder 8: The solenoid valve does not
15	incorrect signal.	58	work correctly.

16	Charge air pressure sensor faulty, or incorrect	59	Incorrect signal in extra analogue input.
16	signal.	59	Incorrect signal in extra analogue input.

17	Oil temperature sensor faulty, or incorrect	61	Incorrect control unit shutdown.
17	signal.	61	Incorrect control unit shutdown.

18	Oil pressure sensor faulty, or incorrect signal.	66	Shutdown due to coolant level

20	Coolant level sensor faulty.	69	Starter motor function interrupted or not
20	Coolant level sensor faulty.	69	activated.

23	Fault code internally in the coordinator.	82	Rotation speed above ref.speed at start

24	Accelerator pedal / brake. If the accelerator	83	Fault in memory circuit (EEPROM) in control
	and brake pedals have been operated		Fault in memory circuit (EEPROM) in control
	and brake pedals have been operated		unit.
	simultaneously.

25	Accelerator pedal sensor / idling switch	84	Data transfer to the control unit memory
25	Accelerator pedal sensor / kick-down switch	84	(EEPROM) has been interrupted.

27	Engine shutdown bypassed.	85	Incorrect temperature internally in the control
27	Engine shutdown bypassed.	85	unit.

28	Shutdown due to oil pressure	86	Internal fault in the control unit: Fault in
28	Shutdown due to oil pressure	86	hardware control.

31	Torque limitation due to oil pressure	87	Fault in control unit RAM.

32	Incorrect parameters for limp home function.	88	Internal control unit fault: Memory fault

33	Battery voltage incorrect or no signal.	89	Incorrect seal: Prohibited changes in software.

37	Emergency shutdown switch activated in	93	Rotation speed sensors faulty or not
	accordance with CAN message from		Rotation speed sensors faulty or not
	accordance with CAN message from		connected.
	coordinator.

43	CAN circuit faulty in the control unit.	94	Shutdown due to high coolant temperature.

47	Immobiliser function. Ignition key code	96	Torque limitation due to high coolant
47	incorrect.	96	temperature.

48	CAN message from the coordinator incorrect	98	Incorrect voltage supply to one of the sensors.
48	or missing.	98	Incorrect voltage supply to one of the sensors.

49	Incorrect CAN version in control unit or	99	Internal hardware fault in the processor (TPU).
49	coordinator.	99	Internal hardware fault in the processor (TPU).

51	PDE in cylinder 1: The solenoid valve does not
51	work correctly.

52	PDE in cylinder 2: The solenoid valve does not
52	work correctly.

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Troubleshooting using flash codes for the EMS coordinator

1.Switch on the ignition. If the diagnostic lamp is on after 2 seconds there is an active fault.

Important! The diagnostic lamp only indicates faults for the coordinator connected to the instrument panel from which the flash codes are read.

2.Activate the diagnostic switch (S53) to the right to see the flash codes for the coordinator (COO).

Example: long - short - short = fault code 12.

5.See the flash code table on the next page for a description and localisation of the fault.

6.In order to obtain further information on the fault code, the PC-based diagnostics tool or Scania EMS Display must be used. Contact an authorised Scania workshop.

Erasing fault codes (flash codes)

1.Turn the ignition off. If there is dual instrumentation the ignition must be switched off on both panels.

2.Activate the diagnostic switch in the direction of the flash codes, i.e. to the right for the coordinator COO.

3.Turn the ignition on at the same time as holding the diagnostic switch activated to the right (COO), for 3 seconds.

4.Any fault code that can be read by a flash code for the system in question will be deleted. The rest of the fault code will remain in the EEPROM and can only be deleted using the PC tool.

Important! It is only possible to delete fault codes for the coordinator that is connected to the instrument panel from which deletion is carried out.

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Overview of flash codes for EMS coordinator

	Flashing	Fault description
	code


	111)	Incorrect signal from the nominal rotation speed signal fine adjustment.

	112)	Incorrect analogue signals from the accelerator pedal sensor.

	121)	Incorrect analogue signal from the resistor module for governor setting.

	122)	Incorrect analogue signal from the resistor module for idling and fixed speed
		setting.

	13	No communication (EMS) with the engine.

	14	Short-circuit in the tachometer signal cable.

	15	Faulty atmospheric pressure sensor.

	17	Short-circuit in the coolant temperature gauge signal cable.

	18	Short-circuit in the oil pressure gauge signal cable.

	19	Short-circuit in the oil pressure lamp signal cable.

	21	Different versions of the communications protocol between the coordinator and
	21	EMS.
		EMS.

	22	Faulty start switch or short circuit.

	23	The supply voltage is too high.

	24	The supply voltage is too low.

	25	Check value from end of line (EOL) is incorrect.

	26	Road speed sensor signal missing or incorrect.

	27	The signals from the RCB (Remote Control Box) switches are implausible.

	28	Incorrect signals from the droop-setting switches.

	29	Faulty remote start switch or short circuit.

	31	No communication from the slave coordinator or the master coordinator.

	32	Short circuit in the signal cable to the coolant temperature warning lamp.

	33	Short circuit in the signal cable to the charge indicator lamp.

	34	Incorrect signal from the Fixed speed switches.

	35	Fault in CAN communication.

1)Single speed engine

2)All-speed engine

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