Page 2624 of 3051
MODELS WITH ECM IN CABINNLHA0128S04Models with Gasoline EngineNLHA0128S0401
YHA348
TROUBLE DIAGNOSES
Wiring Diagram—A/C, M—(Cont’d)
HA-33
Page 2625 of 3051
YHA349
TROUBLE DIAGNOSES
Wiring Diagram—A/C, M—(Cont’d)
HA-34
Page 2626 of 3051
YHA350
TROUBLE DIAGNOSES
Wiring Diagram—A/C, M—(Cont’d)
HA-35
Page 2627 of 3051
YHA351
TROUBLE DIAGNOSES
Wiring Diagram—A/C, M—(Cont’d)
HA-36
Page 2628 of 3051
Models with Diesel EngineNLHA0128S0402
YHA352
TROUBLE DIAGNOSES
Wiring Diagram—A/C, M—(Cont’d)
HA-37
Page 2629 of 3051
YHA353
TROUBLE DIAGNOSES
Wiring Diagram—A/C, M—(Cont’d)
HA-38
Page 2630 of 3051
YHA354
TROUBLE DIAGNOSES
Wiring Diagram—A/C, M—(Cont’d)
HA-39
Page 2635 of 3051
NHA463
COMPONENT DESCRIPTIONNLHA0209Intake Door MotorNLHA0209S01The intake door motor is attached to the intake unit. It rotates so
that air is drawn from inlets set by the heater control panel. Motor
rotation is conveyed to a lever which activates the intake door.
DIAGNOSTIC PROCEDURE FOR INTAKE DOOR
MOTOR CIRCUIT
NLHA0210
1 CHECK POWER SUPPLY FOR HEATER CONTROL PANEL
Do approx. 12 volts exist between heater control panel harness terminal No. 1 and body ground?
NHA462
YesorNo
Ye s©GO TO 2.
No©Check 10A (No. 15) fuse at fuse block. Refer to EL-10,“Wiring Diagram—POWER—”.
2 CHECK RECIRCULATION (REC) SWITCH
Refer to HA-46.
OK or NG
OK©GO TO 3.
NG©Replace recirculation (REC) switch.
TROUBLE DIAGNOSES
Intake Door (Cont’d)
HA-44