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RENAULT

Service
Manual ORDER NO.
CRT2699

SYSTEM CONTROL UNIT



SCU-2017ZRN X1B/EW


VEHICLE DESTINATION PRODUCED AFTER RENAULT PART No. ID No. PIONEER MODEL No.
AVANTIME EUROPE April 2001 6025 40 7280 SCU-2017ZRN/X1B/EW


- This service manual should be used together with the manual(s) listed below.
For the parts numbers, adjustments, etc. which are not shown in this manual,
refer to the following manual(s).
Model No. Order No. Mech. Module Remarks
SCU-2556ZRN/X1B/EW CRT2457




EXPLODED VIEWS AND PARTS LIST
PACKING(Page 2)
- PACKING SECTION PARTS LIST
Part No.
Mark No. Symbol and Description SCU-2556ZRN/X1B/EW SCU-2017ZRN/X1B/EW
7 Contain Box UHL3975 UHL4437


EXTERIOR(Page 6)
- EXTERIOR SECTION PARTS LIST
Part No.
Mark No. Symbol and Description SCU-2556ZRN/X1B/EW SCU-2017ZRN/X1B/EW
9 Tuner Amp Unit UWM6917 UWM7864




PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER EUROPE NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936

C PIONEER CORPORATION 2001 K-ZZS. APR. 2001 Printed in Japan
SCU-2017ZRN



ELECTRICAL PARTS LIST(Page 24)
- TUNER AMP UNIT
Part No.
Symbol and Description SCU-2556ZRN/X1B/EW SCU-2017ZRN/X1B/EW
Q 203,204,205,206 2SC2712 Not used
R 209,210 RS1/10S123J RS1/10S472J
R 221,222 RS1/10S103J Not used
R 223,224 RS1/10S683J Not used
R 225,226 RS1/10S122J Not used

R 227,228,231,232 RS1/10S332J Not used
R 233,234 RS1/10S683J Not used
R 235,236 RS1/10S122J Not used
R 237,238 RS1/10S332J Not used
R 259,260 RS1/10S821J RS1/10S0R0J

R 269,270 RS1/10S101J RS1/10S102J
R 279,280 RS1/10S152J RS1/10S0R0J
C 203,204 CKSQYB274K16 CKSQYB273K50
C 205,206 CKSQYB183K50 CKSQYB682K50
C 207,208,209,210 CKSQYB154K16 Not used

C 211,212 CKSQYB272K50 Not used
C 213,214 CKSQYB392K50 Not used
C 253,254 CKSQYB474K16 CKSQYB563K50
C 255,256 CKSQYB333K50 CKSQYB124K25
C 257,258 CKSQYB154K16 CKSQYB474K16

C 259,260 CKSQYB333K50 CKSQYB222K50
C 261,262 CKSQYB822K50 CKSQYB682K50
C 263,264 CKSQYB103K50 CKSQYB153K50
RENAULT

Service SCU-2456ZRN/X1B/EW




Manual ORDER NO.
CRT2457

SYSTEM CONTROL UNIT



SCU-2456ZRN X1B/EW

SCU-2556ZRN X1B/EW


VEHICLE DESTINATION PRODUCED AFTER PART No. ID No. PIONEER MODEL No.
ESPACE and AVANTIME EUROPE March 2000 6025 40 3834 SCU-2456ZRN/X1B/EW
ESPACE and AVANTIME EUROPE March 2000 6025 40 2759 SCU-2556ZRN/X1B/EW




CONTENTS
1. SAFETY INFORMATION ............................................2 7. GENERAL INFORMATION .......................................36
2. EXPLODED VIEWS AND PARTS LIST .......................2 7.1 CONNECTOR FUNCTION DESCRIPTION .........36
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .....9 7.2 IC ........................................................................38
4. PCB CONNECTION DIAGRAM ................................18 7.3 OPERATIONAL FLOW CHART ...........................40
5. ELECTRICAL PARTS LIST ........................................24 8. SPECIFICATIONS......................................................41
6. ADJUSTMENT..........................................................34


PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER EUROPE N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936

C PIONEER CORPORATION 2000 K-ZZS. FEB. 2000 Printed in Japan
SCU-2456ZRN,2556ZRN


1. SAFETY INFORMATION
This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair
complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so
and refer the repair to a qualified service technician.

2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING




1

2


3
5




4
6


7




2
SCU-2456ZRN,2556ZRN



NOTE:
- Parts marked by "*" are generally unavailable because they are not in our Master Spare Parts List.
- Screws adjacent to mark on the product are used for disassembly.

- PACKING SECTION PARTS LIST

Mark No. Description Part No.
1 Cover UHD-026
2 Protector UHP-020
3 Polyethylene Bag UEG-012
4 Protector UHP-018
5 Protector UHP-019

6 Protector UHP2266
7 Contain Box(2456ZRN) UHL3974
Contain Box(2556ZRN) UHL3975




3
SCU-2456ZRN,2556ZRN



2.2 EXTERIOR(SCU-2456ZRN)




4
SCU-2456ZRN,2556ZRN



- EXTERIOR SECTION PARTS LIST

Mark No. Description Part No.
1 Screw BMZ30P060FMC
2 Screw BMZ30P140FMC
3 Chassis CNA2288
4 Case CNB1780
5 Insulator CNM3864

6 Cover CNS4018
7 Screw BMZ30P140FMC
8 Heat Sink CNC7755
9 Tuner Amp Unit UWM6914
10,11