BE1850 BE1844
I00312
3
4
5
1
2
3
4
5
1
2
I03208
HEATER
Driver Side J/B No. 1
-
DIAGNOSTICS
AIR CONDITIONING SYSTEM
DI-761
915
Author:
Date:
2001 SIENNA (RM787U)
2
Check rear heater relay.
PREPARATION:
Remove rear heater ralay from driver side R/B No. 5.
CHECK:
Check continuity between each pair of terminals of heater main
relay shown below.
OK:
Tester connection
Specified condition
1 - 4
No continuity
2 - 4
Continuity
3 - 5
62.5 - 90.9
Ω
PREPARATION:
Apply battery positive voltage between terminals 3 and 5.
CHECK:
Check continuity between each pair of terminal shown below.
OK:
Tester connection
Specified condition
1 - 2
Continuity
2 - 4
No continuity
NG
Replace rear hater relay.
OK
3
Check HEATER fuse
PREPARATION:
Remove HEATER fuse from driver side J/B No. 1.
CHECK:
Check continuity of HEATER fuse.
OK:
Continuity exists.
NG
Check for short in all the harness and compo-
nents connected to the HEATER fuse (See at-
tached wiring diagram).
OK
Check and repair harness and connector be-
tween A/C control assembly and battery.
Содержание RM787U
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