
AC-107
AIR CONDITIONING - COOLING FAN RELAY
COOLING FAN RELAY AC21J-01
INSPECTION
1. REMOVE NO. 1 COOLING FAN RELAY (Marking: FAN
NO. 1) FROM ENGINE ROOM R/B NO. 1
No. 1 Cooling
Fan Relay
I07056
2. REMOVE NO. 2 COOLING FAN RELAY (Marking: FAN
NO. 2) FROM ENGINE ROOM R/B NO. 1
No. 2 Cooling
Fan Relay
I07057
3. REMOVE NO. 3 COOLING FAN RELAY (Marking: FAN
NO. 3) FROM ENGINE ROOM R/B NO. 1
No. 3 Cooling
Fan Relay
I07058
4. INSPECT NO. 1 FAN RELAY CONTINUITY
2 3 Condition Tester connection Specified condition
5 3 Constant 1-2 Continuity
Apply B+ between
1 2 3-5 Continuity
terminals 1 and 2.
If continuity is not as specified, replace the relay.
1 5
Z18060
5. INSPECT NO. 2 FAN RELAY CONTINUITY
2 3
Condition Tester connection Specified condition
1-2
Constant Continuity
3-4
4
Apply B+ between
3-5 Continuity
terminals 1 and 2.
If continuity is not as specified, replace the relay.
1 5
N23635
2001 SIENNA (RM787U)
Author : Date : 1948
AC-108
AIR CONDITIONING - COOLING FAN RELAY
6. INSPECT NO. 3 FAN RELAY CONTINUITY
2 3 Condition Tester connection Specified condition
5 3 Constant 1-2 Continuity
Apply B+ between
1 2 3-5 Continuity
terminals 1 and 2.
If continuity is not as specified, replace the relay.
1 5
Z18060
2001 SIENNA (RM787U)
Author : Date : 1949