NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
3. CHECK HARNESS AND CONNECTOR (SMOG VENTILATION SENSOR - BATTERY)
(a) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Text in Illustration
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
4. INSPECT SMOG VENTILATION SENSOR
(a) Remove the smog ventilation sensor.
(b) Connect a battery positive (+) lead to terminal 3 (IG) and a negative (-) lead to terminal 6 (E).
(c) Allow exhaust gas (HC, CO) to travel to the sensing portion of the smog ventilation sensor, and measure the resistance between
terminals 1 (SG) and 2 (DGS).
OK:
When the sensor is exposed to the exhaust gas, the resistance increases.
HINT
The resistance before blowing exhaust gas is 10 kOhms to 40 kOhms.
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