|
|
Content .. 1260 1261 1262 1263 ..
z No leaks in vacuum lines or hose connections. z Vacuum hoses not clogged or kinked z Pressure hose for Secondary Air Injection (AIR) Pump Motor not clogged or kinked Test sequence z Remove front noise insulation. z Disconnect vacuum hose -1- from combination valve at Secondary Air Injection (AIR) solenoid valve Fig. 20: Testing Combination Valve At Secondary Air Injection Solenoid Valve (Engine Code AEG: z Connect hand vacuum pump (VAG1390) at vacuum hose -1- to combination valve. z Disconnect pressure hose at Secondary Air Injection (AIR) pump motor (arrow) and blow into it with z Operate vacuum pump. Combination valve must open. If the combination valve does not open or it is constantly open: z Replace combination valve. See item 20 . z Erase DTC memory of Engine Control Module (ECM). See DIAGNOSTIC MODE 4: RESET/ERASE z Generate readiness code. See READINESS CODE, GENERATING . NOTE: Do not use pressurized air for the following test! NOTE: To disengage, compress the buttons at the hose coupling.
2003 Volkswagen New Beetle GLS 1998-2004 ENGINE PERFORMANCE Exhaust System Emission Controls, 2.0L Generic Scan Tool - New Beetle
|