TABLE OF CONTENTS
SIEMENS __________________________________________________________________ 1
1. SID 803 / 803A ECU INPUTS AND OUTPUTS...................................................................................................1
1.1. OUTLINE DIAGRAM..........................................................................................................................................1
1.2. SID 803 / 803A ECU PIN LAYOUT ....................................................................................................................4
1.3. SPECIAL FEATURES OF THE 5V POWER SUPPLIES.............................................................................................7
2. INDICATIVE VALUES .........................................................................................................................................8
2.1. REMARKS ......................................................................................................................................................8
2.2. FULL LOAD DYNAMIC TESTING .........................................................................................................................8
2.3. STATIC TESTING (NO LOAD).............................................................................................................................9
2.4. DEFINITION OF PARAMETERS.........................................................................................................................11
3. SID 803 / 803A FUEL CIRCUIT.........................................................................................................................14
3.1. FUEL CIRCUIT DIAGRAM.................................................................................................................................14
3.2. COMPONENT CHARACTERISTICS ....................................................................................................................16
3.3. FUEL CIRCUIT CHECKS ..................................................................................................................................20
4. SID 803 / 803A AIR CIRCUIT............................................................................................................................30
4.1. DOUBLE METERING SYSTEM AIR CIRCUIT DIAGRAM .........................................................................................30
4.2. SINGLE METERING SYSTEM AIR CIRCUIT DIAGRAM...........................................................................................32
4.3. COMPONENT CHARACTERISTICS ....................................................................................................................34
4.4. AIR CIRCUIT CHECKS.....................................................................................................................................42
BOSCH___________________________________________________________________ 56
1. ECU EDC 16 C34 INPUTS/OUTPUTS..............................................................................................................56
1.1. OUTLINE DIAGRAM........................................................................................................................................56
1.2. PIN LAYOUT..................................................................................................................................................59
1.3. SPECIAL FEATURES OF THE 5V POWER SUPPLIES...........................................................................................63
2. INDICATIVE VALUES .......................................................................................................................................64
2.1. REMARKS ....................................................................................................................................................64
2.2. FULL LOAD DYNAMIC TESTING .......................................................................................................................64
2.3. TESTING WITHOUT LOAD (STATIC TESTING) ....................................................................................................65
2.4. DEFINITION OF PARAMETERS.........................................................................................................................67
3. DV6 TED4/EDC 16 C34 FUEL CIRCUIT...........................................................................................................70
3.1. FUEL CIRCUIT DIAGRAM.................................................................................................................................70
3.2. COMPONENT CHARACTERISTICS ....................................................................................................................72
3.3. FUEL CIRCUIT CHECKS ..................................................................................................................................75
4. DV6 TED4 / EDC16 C34 FUEL CIRCUIT..........................................................................................................82
4.1. DOUBLE METERING SYSTEM AIR CIRCUIT DIAGRAM .........................................................................................82
4.2. SINGLE METERING SYSTEM AIR CIRCUIT DIAGRAM...........................................................................................84
4.3. COMPONENT CHARACTERISTICS ....................................................................................................................86
4.4. AIR CIRCUIT CHECKS.....................................................................................................................................95