Ford 2001 Ranger, Manual

Page: 389 / 1218

413-01-34 413-01-34 Instrument Cluster
DIAGNOSIS AND TESTING (Continued)
PINPOINT TEST Z: SEAT BELT INDICATOR DOES NOT OPERATE PROPERLY
TEST STEP ACTION TO TAKE
•
With key ON, verify the seat belt warning chime operation. Yes = GO to Z4.
•
Does the seat belt warning chime operate? No = REFER to Section 413-09 of
the 2001 Ranger Workshop
Manual.
Z4 CHECK PID SBLTLMP WHILE TOGGLING ACTIVE COMMAND
SBLT LAMP
•
Monitor the PID SBLTLMP. Yes = REPLACE the GEM;
REFER to
Section 419-10 of
the 2001 Ranger Workshop
Manual.
CLEAR the DTCs.
•
Toggle the active command SBLT LAMP ON and OFF. No = If the PID SBLTLMP reads
•
Does the PID SBLTLMP agree with the active command mode?
OFF O-G, GO to Z5.
If the PID SBLTLMP reads
ON -B-, GO to Z9.
Z5 CHECK INSTRUMENT CLUSTER
•
With key OFF, disconnect instrument cluster C216. Yes = GO to Z6.
•
With key OFF, measure the resistance between instrument cluster printed No = CHECK the seat belt
circuit C216 terminal 4 and terminal 10. indicator bulb. REPLACE if
•
Is the resistance less than 5 ohms?
necessary. If the bulb is OK,
REPLACE the instrument
cluster.
Z6 CHECK POWER TO INSTRUMENT CLUSTER
•
With key ON, measure the voltage between pin 4 (Y wire) on instrument Yes = GO to Z7.
cluster C216 and ground.
•
Is the voltage greater than 10 volts?
No = REPAIR the Y wire.
Z7 CHECK CIRCUIT 871 (Y) FOR OPEN
•
With key OFF, disconnect GEM C221 and measure the resistance of the Yes = GO to Z8.
Y wire between pin 10 on instrument cluster C216 and pin 12 on GEM
C221.
•
Is the resistance less than 5 ohms?
No = REPAIR the Y wire.
Z8 CHECK CIRCUIT 871 (Y) FOR SHORT TO GROUND
•
With key OFF, measure the resistance between pin 10 (Y wire) on Yes = REPLACE the GEM.
instrument cluster C216 and ground. REFER to
Section 419-10 of
the 2001 Ranger Workshop
Manual.
CLEAR the DTCs.
•
Is the resistance greater than 10,000 ohms?
No = REPAIR the Y wire.
Z9 CHECK SEAT BELT INDICATOR CONTROL CIRCUIT FOR
SHORT TO POWER
•
With key OFF, disconnect instrument cluster C216. Yes = GO to Z10.
•
With key ON, measure the voltage between pin 10 (Y wire) on No = REPLACE the instrument
instrument cluster C216 and ground. cluster.
•
Is the voltage greater than 0 volts?
Z10 CHECK CIRCUIT 871 (Y) FOR SHORT TO POWER
•
With key OFF, disconnect GEM C221. Yes = REPAIR the Y wire.
•
With key ON, measure the voltage between pin 10 (Y wire) on No = REPLACE the GEM;
instrument cluster C216 and ground. REFER to
Section 419-10 of
•
Is the voltage greater than 0 volts? the 2001 Ranger Workshop
Manual.
2001 Ranger EV, 01/2001