Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota 4Runner 1996-2003 Approved SIL techinfo.toyota.com ileaf 02toyrm 02toypdf 02rmsour 2002 024runne di acsy cidtc42
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DI-616
DIAGNOSTICS - AIR CONDITIONING SYSTEM
DI3W8-04
DTC 42 Air Inlet Control Servomotor Circuit
CIRCUIT DESCRIPTION
The air inlet control servomotor is controlled by the A/C control assembly and moves the air inlet damper
to the desired position.
DTC No. Detection Item Trouble Area
S Air inlet damper position sensor
Air inlet damper position sensor value does not change even if S Harness or connector between air inlet control servomotor
42
A/C control assembly operates air inlet control servomotor.
servomotor and A/C control assembly
S A/C control assembly
WIRING DIAGRAM
Driver Side J/B Center J/B A/C Amplifier
GAUGE
2 5 9 2 26
B-Y B-Y
1I 1F 3D 3D A31 IG+
B-Y 6
I14 Engine Room R/B Y-G
A31 AIF
Ignition Switch
AM1 2
4 AM1 2 2 1
IG1
2
W A35
ALT Air Inlet M
1 2 Control
2
W Servomotor 1
7
Battery A31 AIR
R-G
J/C Center J/B
J9
16 17 14
A W-B W-B
3E 3E A31 GND
IF
I09247
2002 4RUNNER (RM887U)
Author : Date : 792
DI-617
DIAGNOSTICS - AIR CONDITIONING SYSTEM
INSPECTION PROCEDURE
1 Actuator check.
PREPARATION:
(a) Remove glove compartment to see and check the air inlet
damper operation.
(b) Set to the actuator check mode (See page DI-578 ).
(c) Press the DEF switch and change it to step operation.
CHECK:
REC Press the DEF switch and check the operation air inlet damper.
OK:
FRS I09232 DIsplay Code Air Inlet Damper
0-2 FRS
3 REC/FRS
4-9 REC
OK Proceed to next circuit inspection shown on
problem symptoms table (See page DI-586 ).
NG
2 Check air inlet control servomotor.
PREPARATION:
Remove air inlet control servomotor (See page AC-46 ).
1 CHECK:
To FRS 2 Connect positive (+) lead to terminal 2 and negative (-) lead to
terminal 1.
OK:
(-) (+)
B The lever moves smoothly to FRS position.
CHECK:
Connect negative (-) lead to terminal 2 and positive (+) lead to
terminal 1.
OK:
1
The lever moves smoothly to REC position.
To REC 2
(+) (-)
B
I09227
I09260
NG Replace air inlet control servomotor assembly.
I09226
OK
2002 4RUNNER (RM887U)
Author : Date : 793
DI-618
DIAGNOSTICS - AIR CONDITIONING SYSTEM
3 Check harness and connector between A/C control assembly and air inlet con-
trol servomotor. (See page IN-28 ).
NG Repair or replace harness or connector.
OK
Check and replace A/C control assembly.
2002 4RUNNER (RM887U)
Author : Date : 794
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