Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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EFE Relay: Testing and Inspection

PTC HEATER RELAY

ON-VEHICLE INSPECTION

1. REMOVE PTC HEATER RELAY (Marking: HTR SUB1)
a. Remove the heater relay from the engine room relay block.







2. INSPECT PTC HEATER RELAY
a. Measure the resistance of the relay.

If the value is not as specified, replace the PTC heater relay.

3. INSTALL PTC HEATER RELAY