2001 TOYOTA SEQUOIA Service Repair Manual

Page 2545 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual I28836
Integration Control
and Panel
PSW L±B
R±YR±Y
4A4
A/C Pressure Switch
I19
C46
IA5
1
J3
J/C
From
HTR FuseL±B
CDual
± DIAGNOSTICSAIR CONDITIONING SYSTEM
DI±2343
2537 Author: Date:
2005 SEQ

Page 2546 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual I29010
Pressure switch:
A4
DI±2344
± DIAGNOSTICSAIR CONDITIONING SYSTEM
2538 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
1 Check refrigerant pressure.
(a) Set the manifold gauge.
(

Page 2547 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual ± DIAGNOSTICSAIR CONDITIONING SYSTEM
DI±2345
2539 Author: Date:
2005 SEQUOIA   (RM1146U)
Replace pressure switch.
3 Check harness and connector between pressure switch and integration control
and

Page 2548 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual 4 (V)
1
TP terminal voltage0 100 %
(Cool)
(Hot)
Damper opening angle
I28837
A17
Air Mix Control
Servomotor (Front)
5
L±R 4 322
15
12S5±AM
TP
SG±TP Integration Control
and Panel
I20 R±Y
G±R VZ
PT

Page 2549 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual I28847
SG±TP TPI20 Integration  Control and Panel:
± DIAGNOSTICSAIR CONDITIONING SYSTEM
DI±2347
2541 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
1 Check voltage between terminals

Page 2550 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual I15902
Cool
Warm
DI±2348
± DIAGNOSTICSAIR CONDITIONING SYSTEM
2542 Author: Date:
2005 SEQUOIA   (RM1146U)
2 Check front air mix damper position sensor.
PREPARATION:
Remove the front air mix servom

Page 2551 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual (V)
4
1
0
100 %
TPI terminal voltage
Damper opening angle
I15866
A16
Air Inlet Control
Servomotor
1
Y±R 2 311
16
13S5±AI
TPI
SG±TPI Integration Control
and Panel
I20 L±B
W VZ
PT
GNDI20
I20
± DIAG

Page 2552 of 4323

TOYOTA SEQUOIA 2001  Service Repair Manual I28847
SG±TPI TPII20 Integration  Control and Panel:
DI±2350
± DIAGNOSTICSAIR CONDITIONING SYSTEM
2544 Author: Date:
2005 SEQUOIA   (RM1146U)
INSPECTION PROCEDURE
1 Check voltage between terminal