cooling AUDI A4 1998 B5 / 1.G APB Engine Motronic Syst

01-44

DTC
Description of malfunction
Corrective action
SAE
VAG


P1287 17695 Turbocharger bypass valve
Open
Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine
Code(s): APB, Repair Group 21, checking Recirculating valve for turbocharger
- Check recirculating valve for turbocharger -N249
P1288 17696 Turbocharger bypass valve
Short to B+

P1289 17697 Turbocharger bypass valve
Short to Ground

P1296 17704 Cooling System
Malfunction
2)
Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine
Code(s): APB, Repair Group 19, Cooling, Components for cooling system, engine side
- Check Engine Coolant Temperature (ECT) sensor Page 28
-25
P1297 17705 Charger/throtle-valve
connection, Pressure loss - Check hoses between turbocharger and throttle valve:
Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine
Code(s): APB, Repair Group 21; Turbocharger

2) For these malfunctions, ECM does not switch on the Malfunction Indicator Lamp (MIL) unless malfunction is recognized
again after another engine start. Significance of MIL Page 01
-3 .
Pa
ge 54 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1