ENGINE (DIAGNOSTICS)(H4DOTC DIESEL) > Malfunction Indicator Light

ACTIVATION OF MALFUNCTION INDICATOR LIGHT

1. When the ignition switch is turned to ON (engine OFF), the malfunction indicator light (A) in the combination meter illuminates.

NOTE:

If the malfunction indicator light does not illuminate, perform diagnostics of the malfunction indicator light circuit or the combination meter circuit.

2. After starting the engine, the malfunction indicator light goes out. If it does not go off, any of the engine and emission control system has malfunction.

(1)

No DTC

(2)

Trouble occurs

(3)

ON

(4)

OFF

(5)

Ignition switch ON

(6)

Engine start

3. Turn the ignition switch to OFF and connect the delivery (test) mode connector (A).

(1) When the ignition switch is turned to ON (engine OFF), the malfunction indicator light illuminates.

(2) After the engine starts, malfunction indicator light blinks in a cycle of 0.5 Hz. (During diagnosis)

(3) Keep the engine speed in 2,000 — 3,000 rpm range for 20 seconds or more.

(4) Malfunction indicator light blinks at a cycle of 3 Hz after diagnosis if there is no trouble. Malfunction indicator light illuminates if faulty.

(1)

ON

(2)

OFF

(3)

Ignition switch ON

(4)

1 second