Toyota Celica 2005 Repair Manual page 2478

AC−54
Heater Main Relay
3 2
1
4
5
2005 CELICA (RM1131U)
AIR CONDITIONING
HEATER MAIN RELAY
INSPECTION
1.
I13894
2.
2 1
3
4
5
If continuity is not as specified, replace the relay.
Z06166
− HEATER MAIN RELAY
REMOVE HEATER MAIN RELAY FROM ENGINE
ROOM RELAY BLOCK NO. 1
INSPECT HEATER MAIN RELAY CONTINUITY
Condition
Constant
Apply B+ between
terminals 1 and 3.
2477
Tester connection Specified condition
1 − 3
2 − 4
4 − 5
AC1GX−03
Continuity
Continuity