Intake Heater Relay Inspection - Toyota 1HD-FT Repair Manual

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STARTING SYSTEM - PRE-HEATING SYSTEM
INTAKE HEATER RELAY INSPECTION
1. REMOVE INTAKE HEATER RELAY
Intake
I-'cf-Heater
Relay
ST-5
2. INSPECT INTAKE HEATER RELAY
A. Inspect feley continuity
(a) Using an ohmmeter. check that there is continuity
between terminals e and g.
(b) Check that there is no continuity between terminals B
and G.
If continuity is not as specified. replace the relay.
No Continuity
Continuity
Continuity
B. Inspect reley operation
(a) Apply battery voltage across terminals e and g.
(b) Using an ohmmeter. check that there is continuity
between terminals Band G.
If operation is not as specified. replace the relay.
3. REINSTALL INTAKE HEATER RELAY
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