On-Vehicle Inspection

WARNING: This page is about a different car, the 2006 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

REMOVE A/F RELAY (Marking: A/F HTR)
1. Remove the engine room No. 8 relay block cover.
2. Remove the relay from the engine room No. 8 relay block.

CHECK A/F RELAY

Measure the resistance of the relay.

Standard resistance

A/F RELAY

Tester Connection	Specified Condition
3 - 5	10 kΩ or higher
3 - 5	Below 1 Ω (when battery voltage is applied to terminals 1 and 2)

Fig 1: Checking A/F Relay

If the result is not as specified, replace the relay.

INSTALL A/F RELAY