BENDIX BW1663 User Manual download pdf (Page 20)

20

GO TO MODULATOR, INSPECT WIRING CONNECTOR.

DISCONNECT CONNECTOR AND TEST RESISTANCE

BETWEEN PINS ON MODULATOR, RESISTANCE VALUES

FOR BENDIX

®

M-21

™

MODULATOR (FIGURE 5).

HOLD TO SOURCE: READ 3.5 TO 5 OHMS

EXHAUST TO SOURCE: READ 3.5 TO 5 OHMS

EXHAUST TO HOLD: READ 7 TO 10 OHMS

TEST EACH PIN TO VEHICLE GROUND AND NOTE NO

CONTINUITY.

RECONNECT CONNECTOR TO MODULATOR.

TURN IGNITION ON AND PASS MAGNET OVER

RESET ON EC-15

™

CONTROLLER. NOTE

REACTION OF RED LEDS.

ARE ANY RED LED’S

ILLUMINATED?

RESISTANCE READINGS

CORRECT?

START HERE FROM

SECTION VI A

REPLACE THE MODULATOR

NO

YES

GO TO SECTION IV “INSPECTION FOR

ILLUMINATED LEDS” AND RETEST.

REPAIR OR REPLACE

MODULATOR WIRE HARNESS.

SAME RED LED’S

ILLUMINATED?

REPEAT THE “INITIAL

START-UP PROCEDURE”

TROUBLESHOOTING

SECTION VI B - TESTING THE MODULATOR

NO

YES

NO

YES

1 2 ... 15 16 17 18 19 20 21 22 23 24

Comments to this Manuals

No comments