Audi AMB - Page 11

P0687 17071
ECM/PCM Power Relay Control Circuit
High
Module (ECM) Power Supply
R
elay -J271- and activation. See
CHECK MOTRONIC ENGINE
CONTROL MODULE (ECM)
POWER SUPPLY RELAY -
J271- AND ACTIVATION .
P0688 17072
Power supply relay J271 , load circuit
ope
n
P0704 17088
Clutch Switch Input Circuit Malfunction
 C
heck Clutch Vacuum Vent Valve
Switch -F36-. See CLUTCH
VACUUM VENT VALVE
SWITCH -F36-, CHECKING .
P1102 17510
Bank 1 -
sensor 1, heating circuit short to
B+
Z19 - Oxygen Sensor (O2S) Heater
Overview of component locations Oxygen
Sensor (O2S) Heater -Z19- before
c
atalytic converter checking
P1103 17511
Bank 1 -sensor 1, heating circuit, output
t
oo low
P1105 17513
Bank 1 -
sensor 2, heating circuit short to
B+
Z29 - Oxygen Sensor (O2S) Heater 1
(
behind Three Way Catalytic Converter
(TWC))
Overview of component locations
Oxygen Sensor (O2S) Heater 1 -Z29-
behind catalytic converter checking
P1111 17519
Oxygen sensor control Bank 1 system
t
oo lean
G39 - Heated Oxygen Sensor (HO2S)
H
eated Oxygen Sensor (HO2S) -G39-
and
oxygen sensor regulation before catalytic
c
onverter checking
Overview of component locations
P1176 17584
Bank 1 oxygen sensor correction behind
c
at. control limit reached
Control limit reached
 C
heck Oxygen Sensor (O2S) and
oxygen sensor control before Three
Way Catalytic Converter (TWC).
See HEATED OXYGEN
SENSOR (HO2S) -G39- AND
OXYGEN SENSOR
REGULATION BEFORE
CATALYTIC CONVERTER,
CHECKING .
 C
heck Oxygen Sensor (O2S) and
oxygen sensor control behind Three
Way Catalytic Converter (TWC).
S
ee OXYGEN SENSORS AND
OXYGEN SENSOR
REGULATION BEHIND
CATALYTIC CONVERTER,
CHECKING .
 Check intake air system for leaks
(false air). See INTAKE
SYSTEM, CHECKING FOR
2005 Audi A4 Quattro
DTC INDEX DTC Index - 1.8L (AMB Engine)
11:32:48 PM Page 9
cardiagn.com