R32 4Motion V6-3.2L (CBRA) (2008)
Air Injection Flow Sensor: Testing and Inspection
Secondary Air Injection Sensor 1 G609, Checking
Special tools, testers and auxiliary items required
-
Multimeter.
-
Wiring diagram.
Test requirements
-
The Engine Control Module (ECM) J623 fuses OK.
-
The parking brake engaged.
-
The battery voltage at least 12.5 V.
-
The selector lever of automatic transmission in position "P" or "N".
-
All electrical consumers switched off (radiator fan must NOT run during test).
-
A/C switched off.
-
The fuel tank at least 1/4 filled.
-
The ignition switched off.
Test procedure
-
Perform a preliminary check to verify the customers complaint. See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Scan Tool Testing and Procedures/Preliminary Check
Start diagnosis
-
Disconnect the Secondary Air Injection Sensor (AIR) 1 G609, electrical harness connector.
Checking voltage supply
Switch the ignition on.
-
Using a Multimeter, check the Secondary Air Injection Sensor (AIR) 1 G609, electrical harness connector for voltage.
Secondary Air Injection
Specified value
Sensor (AIR) 1 G609,
electrical harness connector
1 to Ground (GND)
about 5 V
2 to Battery positive (+)
Battery voltage (+)
Switch the ignition off.
If the specified values are obtained:
-
Replace the Secondary Air Injection Sensor (AIR) 1 G609,.
If specified values are not obtained:
Checking wiring
If the manufacturers test box is being used. Perform the following step.
-
Install the test box.
If the manufacturers test box is not being used. Perform the following step.