300SEL (126.025) L6-3.0L (103.981) (1988)
Connector:
1. Electronic speedometer (A1 p8), road speed signal
2. CIS-E injection system control unit (N3), contact 9, temperature signa/ (TF)
3. A/C compressor control unit (N6), contact 4
4. Throttle valve switch, full load/idle speed detection, contact 1
5. not assigned
6. Idle speed air valve (Y6)
7. Idle speed air valve (Y6)
8. not assigned
9. Overvoltage protection relay (K1, K1/1), contact 2, power Supply terminal 15
10. Electronic ignition EZL control unit (N1/2, N1/S), TP/TN signal
11. Model 126: Engine ground (W10)
12. Starter lockout and backup light switch (S16/1), gear detection.
Symbols For Testers