BLOWER MOTOR CIRCUIT=NJHA0147SYMPTOM:
Blower motor does not rotate.
Symptom
table No.INCIDENT
1 Fan fails to rotate.
2 Fan does not rotate at 1-speed.
3 Fan does not rotate at 2-speed.
4 Fan does not rotate at 3-speed.
5 Fan does not rotate at 4-speed.
1 DIAGNOSTIC PROCEDURE
Check if blower motor rotates properly at each fan speed.
Conduct checks as per symptom table at above.
1GO TO 2.
2, 3, 4GO TO 8.
5GO TO 10.
2 CHECK POWER SUPPLY FOR BLOWER MOTOR
1. Disconnect blower motor harness connector.
2. Do approx. 12 volts exist between blower motor harness terminal No. 1 andbody ground?
RHA343FD
YesorNo
Ye s G O T O 3 .
No Check 15A (Nos. 14 and 16) fuses at fuse block. Refer to EL-14, “Wiring Diagram —
POWER —”.
TROUBLE DIAGNOSESMANUAL
Blower Motor (Cont’d)
HA-46
