Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 1998-2003 Approved FSM 05 acsy cidtc19
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DI-712
DIAGNOSTICS - AIR CONDITIONING SYSTEM
DI3FA-05
DTC 19 Rear Room Temperature Sensor Circuit
CIRCUIT DESCRIPTION
This sensor detects the temperature inside the cabin and sends the appropriate signals to the rear A/C con-
trol assembly.
DTC No. Detection Item Trouble Area
S Rear room temperature sensor.
S Harness or connector between rear room temperature sensor
19 Open or short in rear room temperature sensor circuit.
and A/C control assembly.
S A/C control assembly.
WIRING DIAGRAM
A/C control assembly
4 8
IL1 A23 TR
BR-Y BR-Y
1
A34
Rear Room Temp.
Sensor
2
1 12
IL1 A23 SG
BR-R BR-R
I21115
2001 SIENNA (RM787U)
Author : Date : 866
DI-713
DIAGNOSTICS - AIR CONDITIONING SYSTEM
INSPECTION PROCEDURE
1 Check voltage between terminals TR and SG of A/C control assembly connector.
TR
PREPARATION:
ON
Remove A/C control assembly with connectors still connected.
CHECK:
(a) Turn ignition switch ON.
(b) Measure voltage between terminals TR and SG of A/C
control assembly connector at each temperature.
OK:
SG Voltage :
(-) (+)
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