Tacoma PreRunner Dbl Cab 2WD V6-3.4L (5VZ-FE) (2001)
Step 1
Steps 2 - 3
INSPECTION PROCEDURE
HINT: In case of using a hand-held tester, start the inspection from step 1, and in case of not using a hand-held tester, start it from step 2.
Headlight Relay Circuit
CIRCUIT DESCRIPTION
Headlight relay will be on by operating the headlight switch. The transistor which activates the taillight relay has two sorts: one is activated directly by
the headlight switch for fail safe and another is activated by CPU. The one activated by CPU has two systems and prevents the headlight from turning off
at the time of one system trouble in the automatic operation circuit.