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
ORDER NO.
CRT2457
SYSTEM CONTROL UNIT
SCU-2456ZRN
X
1B/EW
Service
Manual
RENAULT
SCU-2456ZRN/X1B/EW
SCU-2556ZRN X1B/EW
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST .......................2
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .....9
4. PCB CONNECTION DIAGRAM ................................18
5. ELECTRICAL PARTS LIST ........................................24
6. ADJUSTMENT..........................................................34
7. GENERAL INFORMATION .......................................36
7.1 CONNECTOR FUNCTION DESCRIPTION .........36
7.2 IC ........................................................................38
7.3 OPERATIONAL FLOW CHART ...........................40
8. SPECIFICATIONS......................................................41
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