Toyota Tundra 2005 Service - Repair - Maintenance page 3447

AC-82
Heater Main Relay
Heater Main Relay
3 4 5
3
1 2
AIR CONDITIONING
HEATER MAIN RELAY
INSPECTION
1.
I28082
2.
I27025
3.
4 5
Apply B+ between
1 2
terminals 3 and 5
If continuity is not as specified, replace the relay.
Z19533
- HEATER MAIN RELAY
Access cab, Standard cab:
REMOVE HEATER MAIN RELAY FROM ENGINE
ROOM RELAY BLOCK
Double cab:
REMOVE HEATER MAIN RELAY FROM ENGINE
ROOM RELAY BLOCK NO. 2
INSPECT HEATER MAIN RELAY (Marking: HEATER)
CONTINUITY
Condition Tester connection
Constant
Author :
Specified condition
2 - 4
Continuity
3 - 5
1 - 2 Continuity
Date :
AC3RZ-02
5109