GAS engine ZMZ-4062.10 - manual repair, maintenance and operation of the vehicle.

This manual control system engine ZMZ-4062.10 with distributed injection MIKAS 5.4 describes the on-Board diagnostic system, which allows to detect a malfunction of the control system.

Describes the composition of the control system, and provides information on the use of on-Board diagnostic system to output messages about the detected faults.

Presents the scheme of finding the faulty elements of the management system.

For professionals involved in maintenance and repair of the vehicle with engine ZMZ-4062.10 and drivers.

Table of contents

Chapter I. a Brief description of the engine control

ZMZ-4062.10 with distributed injection MIKAS 5.4 7

1.1. General system description 7

The electronic control unit

The memory of the control unit 8

Wiring harness 8

1.2. Description of the sensors of the control system 9

The sensor of angular position of the crankshaft 9

The camshaft position sensor 9

Sensor mass air flow 10

Sensor throttle position 10

Temperature sensors coolant

and temperature 11

The knock sensor 11

1.3. Actuator control system and elements of fuel system 12

Fuel system ; 12

The fuel pump 12

The fuel filter 13

The fuel pressure regulator 13

The fuel injector 13

The ignition system 14

The ignition coil 14

Controller secondary air 15

Chapter II. System diagnostics MIKAS 5.4 16

Precautions when Troubleshooting 16

The influence of the technical condition of the engine 7

on the parameters of the engine control system 17

On-Board diagnostics 20

The diagnostic circuit 20

Work lamp diagnostics 21

Mode display fault codes 21

Description of the diagnostic device 22 ОБТ2

Self-learning electronic control unit 28

Scheme of diagnosis 28

Diagnostic codes are the electronic control unit 29

Chapter III. The electrical connections of the control system and the description of the harness 31

3.1. The electrical connections of the control system 31

3.2. The Pinout of the electrical connectors 40

The Pinout of a socket connector of the control unit 40

Description of contacts 55-pin connector 41

The Pinout of the main connector harness 43

3.3. Repair the wiring harness 44

Disassembly of the connector 44

The connector Assembly 45

Splicing of conductors 45

Repair contacts 47

Chapter IV. Diagnostic circuitry checks the system health management 48

4.1. Typical values of the parameters that are controlled by the scan tool CBT 2 48

Parameters on the scan tool RBT 2 49

Section A. the diagnostic circuit Check 51

Map A. the diagnostic circuit Check 51

Map A-1. Diagnostic lamp does not illuminate for a short time

when the ignition 52

Map A-2. Code no 12 53

Section B. Diagnostic card DTC 54

Code 13. The low level sensor signal air flow 54

Code 14. High level sensor signal mass

airflow (code 32 is missing) 55

Code 17. The low level signal of temperature sensor 56

Code 18. High voltage temperature sensor

air (DTCs 22, 24 missing) 57

Code 21. Low voltage temperature sensor

coolant 53

Code 22. High level sensor signal engine coolant temperature (fault codes do not exist 18,24) 59

Code 23. The low level signal of the position sensor

throttle 60

Code 24. High signal throttle position sensor

damper (fault codes 18, 22 missing) 61

Code 25. The low level voltage in the vehicle electrical system 62

Code 26. A high level of tension in an onboard network 63

Code 31. The low level signal FROM potentiometer 64

Code 32. The high level signal FROM potentiometer 65

Code 51. Malfunction of the control unit 66

Code 52. Malfunction of the control unit 66

Code 53. Malfunction of crankshaft position sensor 67

Code 54. Malfunction of position sensor

camshaft 69

Code 61. The unauthorized restart of the control unit 70

62. The loss of information in the RAM of the control unit 70

Code 63. The fault of the ROM of the control unit 71

Code 64. Fault non-volatile memory

control block (error reading) 71

Code 65. Fault non-volatile memory

the control unit (error in recording) 71

Code 131. The injector 1 malfunction (short) 72

Code 132. The fault injector 1 (open circuit) 73

Code 133. The injector 1 malfunction (short to ground) 74

Code 134. The injector 2 malfunction (short circuit) 75

Code 135. The injector 2 malfunction (open) 76

Code 136. The injector 2 malfunction (short to ground) 77

Code 137. Malfunction injector 3, (short) 78

Code 138. The fault injector 3 (open) 79

Code 139. The injector 3 malfunction (short to ground) 80

Code 141. The fault injector 4 (short) 81

Code 142. The fault injector 4 (open circuit) 82

Code 143. The fault injector 4 (short to ground) 83

Code 161. The fault winding 1 of the WFD (short) 84

Code 162. The fault winding 1 of the WFD (open) 85

Code 163. The fault winding 1 of the WFD

(short to ground) 86

Code 164. The fault winding 2 of the WFD (short) 87

Code 165. The fault winding 2 of the WFD (open) 88

Code 166. The fault winding 2 of the WFD

(short to ground) 89

Code 167. The relay circuit malfunction electric fuel pump

(short) 90

Code 168. The relay circuit malfunction electric fuel pump (open circuit) 91

Code 177. Malfunction main relay circuit (short circuit) 92

Code 178. Malfunction main relay circuit (open) 93

Code 181. Circuit malfunction lamp diagnostic

- (short) 94

Code 182. Circuit malfunction lamp diagnostic (open) 95