SL L4-1.9L SOHC VIN 9 (1991)
TYPE:
Gray 22 gage wire.
FUNCTION:
This circuit supplies battery power to the bulbs in the HVAC unit.
REPAIRS:
Check for OPEN or SHORTS
Repair as needed.
If this component is good, go to the next item indicated on the Symptom Chart.
Circuit 154C
LOCATION:
Connects HVAC unit to HVAC unit heater only connector.
TYPE:
Black 22 gage wire.
FUNCTION:
This circuit is a ground wire for the HVAC unit.
REPAIRS:
Check for OPEN or SHORTS
Repair as needed.
If this component is good, go to the next item indicated on the Symptom Chart.
Component Testing
BULBS
Visually inspect the bulb. Check the resistance through the bulb.
Repair as needed.
If this component is good, go to the next item indicated on the chart.
TAILLAMP ASSEMBLIES
Visually inspect the lamp assembly. Check resistance through the connector and pigtail.
Repair as needed.
If this component is good, go to the next item indicated on the chart.
HEADLAMP SWITCH
Check switch resistance.
Switch resistance:
Pin F to Pin K in:
Off
Open
Doors Open
Open
Park
Less than 1 ohm
Headlamp
Less than 1 ohm
Repair as needed.
I/P DIMMER
Check switch resistance.