Power Supply Testing
Wiring Diagram
ECM TERMINALS AND REFERENCE VALUE
Specification data are reference values and are measured between each terminal and 43 (ECM ground) .
1 INSPECTION CHART:
2 CHECK POWER SUPPLY-1:
3 DETECT MALFUNCTIONING PART:
4 CHECK POWER SUPPLY-II:
5 DETECT MALFUNCTIONING PART:
6 CHECK POWER SUPPLY-III:
7 CHECK HARNESS CONTINUITY BETWEEN ECM RELAY AND ECM:
8 DETECT MALFUNCTIONING PART:
9 CHECK VOLTAGE BETWEEN ECM RELAY AND GROUND:
10 DETECT MALFUNCTIONING PART:
11 CHECK OUTPUT SIGNAL CIRCUIT:
12 DETECT MALFUNCTIONING PART:
13 CHECK ECM RELAY:
14 CHECK GROUND CIRCUIT:
15 CHECK INTERMITTENT INCIDENT:
DIAGNOSTIC PROCEDURE