BENDIX MC-30 TRAILER ABS CONTROLLER Troubleshooting Guide download pdf (Page 13)

13

CHART 7 - EC-30

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CONTROLLER BLINK CODE DEFINITIONS (3 of 3)

Check for corroded or damaged modulator wiring and connections. Verify for M-21, M-22, or M-30

that resistance between pins: Hold to Common is 3.5 to 5.0 Ohms, Exhaust to Common is 3.5

to 5.0 Ohms, Exhaust to Hold is 7.0 to 10 Ohms. For M-32 and M-32QR, Verify that resistance

between pins: Hold to Common is 4.9 to 5.5 Ohms, Exhaust to Common is 4.9 to 5.5 Ohms,

Exhaust to Hold is 9.8 to 11 Ohms. Verify no continuity from modulator leads to ground.

Check for corroded or damaged modulator wiring and connections. Verify for M-21, M-22, or M-30

that resistance between pins: Hold to Common is 3.5 to 5.0 Ohms, Exhaust to Common is 3.5

to 5.0 Ohms, Exhaust to Hold is 7.0 to 10 Ohms. For M-32 and M-32QR, Verify that resistance

between pins: Hold to Common is 4.9 to 5.5 Ohms, Exhaust to Common is 4.9 to 5.5 Ohms,

Exhaust to Hold is 9.8 to 11 Ohms. Verify no continuity from modulator leads to ground.

Check for corroded or damaged modulator wiring and connections. Verify for M-21, M-22, or M-30

that resistance between pins: Hold to Common is 3.5 to 5.0 Ohms, Exhaust to Common is 3.5

to 5.0 Ohms, Exhaust to Hold is 7.0 to 10 Ohms. For M-32 and M-32QR, Verify that resistance

between pins: Hold to Common is 4.9 to 5.5 Ohms, Exhaust to Common is 4.9 to 5.5 Ohms,

Exhaust to Hold is 9.8 to 11 Ohms. Verify no continuity from modulator leads to ground.

Check for corroded or damaged modulator wiring and connections. Verify for M-21, M-22, or M-30

that resistance between pins: Hold to Common is 3.5 to 5.0 Ohms, Exhaust to Common is 3.5

to 5.0 Ohms, Exhaust to Hold is 7.0 to 10 Ohms. For M-32 and M-32QR, Verify that resistance

between pins: Hold to Common is 4.9 to 5.5 Ohms, Exhaust to Common is 4.9 to 5.5 Ohms,

Exhaust to Hold is 9.8 to 11 Ohms. Verify no continuity from modulator leads to ground.

Check for corroded or damaged modulator wiring and connections. Verify for M-21, M-22, or M-30

that resistance between pins: Hold to Common is 3.5 to 5.0 Ohms, Exhaust to Common is 3.5

to 5.0 Ohms, Exhaust to Hold is 7.0 to 10 Ohms. For M-32 and M-32QR, Verify that resistance

between pins: Hold to Common is 4.9 to 5.5 Ohms, Exhaust to Common is 4.9 to 5.5 Ohms,

Exhaust to Hold is 9.8 to 11 Ohms. Verify no continuity from modulator leads to ground.

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