Standard

Measurement Condition

Standard

Positive battery - Terminal 1 Negative battery - Terminal 3

Headlight illuminates (HI-Beam)

Positive battery - Terminal 2 Negative battery - Terminal 3

Headlight illuminates (LO-Beam)

(c) Reconnect the headlight connectors.

REPLACE BULB

INSPECT H-LP/AMT RELAY

Yaris Amt Relay

(a) Remove the H-LP/AMT relay from the engine room relay block No. 2.

(b) Measure the resistance. Standard resistance

Tester Connection

Specified Condition

3 - 5

10 kQ or higher

3 - 5

Below 1 Q (When battery voltage applied to terminals 1 and 2)

(c) Reinstall the H-LP/AMT relay.

REPLACE H-LP/AMT RELAY

CHECK HARNESS AND CONNECTOR (FUSE - HEADLIGHT BULB)

Toyota Chinook Replacement Propane

(a) Disconnect the B4 and B6 headlight bulb connectors.

(b) Measure the voltage. Standard voltage

Tester Connection

Condition

Specified Condition

B4-3 - Body ground

Always

11 to 14 V

B6-3 - Body ground

Always

11 to 14 V

(c) Reconnect the headlight bulb connectors.

REPAIR OR REPLACE HARNESS OR CONNECTOR

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DIY Battery Repair

DIY Battery Repair

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