TROUBLESHOOTING
5 volts
5 volts
Clockspring/ECM Harness
ROSTRA.COM
1. CHECK VOLTAGES ON THE PINK
WIRE IN THE ECM AT POSITION 18
FOR 5 VOLTS. THE VIOLET WIRE AT
POSITION 34 SHOULD READ 5 VOLTS.
THE YELLOW WIRE AT POSITION 15
SHOULD HAVE A GROUND NO HIGHER
THAN
3 OHMS OF RESISTANCE.
4. CHECK CONTROL SWITCH.
UNPLUG CONNECTOR AT THE
STEERING WHEEL AND MEASURE
RESISTANCE ACROSS THE FOLLOWING
WIRES LISTED BELOW
:
2. CHECK CONTINUITY FROM
ECM TO CONNECTOR AT STEERING
WHEEL. IF NO CONTINUITY, CHECK
CONNECTIONS UNDER STEERING
COLUMN AT BACK OF OF CLOCK
-
SPRING. THEN CHECK CONTINUITY
FROM CLOCKSPRING CONNECTOR TO
STEERING WHEEL CONNECTOR
.
18
15
34
Vt/Brn
Vt
Vt/Orn
3. CHECK CONTROL SWITCH VOLTAGE.
L
OCATE 6-PIN CONNECTOR AT STEERING WHEEL
AND MEASURE VOLTAGE ACROSS THE FOLLOWING
WIRES LISTED BELOW:
V
IOLET WIRE PIN 6 TO VT/BRN (YELLOW)
WIRE PIN 5
P
RESS SET=3.35 VOLTS
PRESS RESUME=4.0 VOLTS
PRESS ON/OFF=0.90 VOLTS
PRESS CANCEL=1.80 VOLTS
VT/ORN (PINK) WIRE PIN 4 TO VT/BRN
(YELLOW) WIRE PIN 5
PRESS SET=1.35 VOLTS
PRESS RESUME=2.25 VOLTS
PRESS ON/OFF=3.75 VOLTS
CANCEL=3.0 VOLTS
