Service & Repair Manual

01-45
DTC DTC text Corrective action
SAE VAG
P1414 17822 Bank 2, Secondary Air Injection
(AIR) system
Leak detected
Repair Manual, Engine Mechanical, Repair Group 26; Secondary
Air Injection (AIR) system
- Check hose setup from pump to mechanical Secondary Air
Injection (AIR) valve, cylinder bank 2
P1421 17829 Secondary Air Injection (AIR)
solenoid valve -N112-
Short circuit to Ground (GND)
1)
Repair Manual, Engine Mechanical, Repair Group 26; Secondary
Air Injection (AIR) system
- Check Secondary Air Injection (AIR) system
P1422 17830 Secondary Air Injection (AIR)
solenoid valve -N112-
Short circuit to B+
1)
P1423 17831 Bank 1, Secondary Air Injection
(AIR) system
Throughput too low
1)
Repair Manual, Engine Mechanical, Repair Group 26; Secondary
Air Injection (AIR) system
- Check fuse for Secondary Air Injection (AIR) pump
- Check vacuum hose setup
- Check hose setup from pump to combination valve for Secondary
Air Injection (AIR)
1)
For these malfunctions, ECM does not switch on the Malfunction Indicator Lamp (MIL) unless malfunction is recognized
again after another engine start. Meaning of Malfunction Indicator Lamp (MIL) Page 01-3 .
Pa
g
e 38 of 52Check DTC Memor
y
(
function 02
)
and Erase DTC Memor
y
(
function 05
)
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