heater AUDI A4 1999 B5 / 1.G APB Engine Motronic Syst

01-22

DTC
Description of malfunction
Corrective action
SAE
VAG


P0130 16514 02 Sensor Circ., Bank1-
Sensor1
Malfunction
2) - Check oxygen sensor control or oxygen sensor heater and wiring
Page 24
-79

P0131 16515 02 Sensor Circ., Bank1-
Sensor1
Low Voltage
2)
P0132 16516 02 Sensor Circ., Bank1-
Sensor1
High Voltage 2)
P0133 16517 02 Sensor Circ., Bank1-
Sensor1
Slow Response2)
P0134 16518 02 Sensor Circ., Bank1-
Sensor1
No Activity Detected
2)
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
recognized after the engine has been restarted. Significance of MIL Page 01
-3 .
Pa
ge 26 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

01-23

DTC
Description of
malfunction
Corrective action
SAE
VAG


P0136 16520 02 Sensor Circ., Bank1-
Sensor2
Malfunction
2) - Check oxygen sensor heater Page 24
-114
P0137 16521 02 Sensor Circ., Bank1-
Sensor2
Low Voltage
2) - Check oxygen sensor signal wire and activation Page 24
-122
P0138 16522 02 Sensor Circ., Bank1-
Sensor2
High Voltage
2)
P0139 16523 02 Sensor Circ., Bank1-
Sensor2
Slow Response2) - Check oxygen sensor and oxygen sensor control behind catalytic
converter Page 24
-100

P0140 16524 02 Sensor Circ., Bank1-
Sensor2
No Activity Detected
2)
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
recognized after the engine has been restarted. Significance of MIL Page 01
-3 .
Pa
ge 27 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

01-24

DTC
Description of malfunction
Corrective action
SAE
VAG


P0150 16534 02 Sensor Circ., Bank2-
Sensor1
Malfunction
2) - Check oxygen sensor control or oxygen sensor heater and wiring
Page 24
-79

P0151 16535 02 Sensor Circ., Bank2-
Sensor1
Low voltage
2)
P0152 16536 02 Sensor Circ., Bank2-
Sensor1
High Voltage 2)
P0153 16537 02 Sensor Circ., Bank2-
Sensor1
Slow Response 2)
P0154 16538 02 Sensor Circ., Bank2-
Sensor1
No Activity Detected
2)
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
recognized after the engine has been restarted. Significance of MIL Page 01
-3 .
Pa
ge 28 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

01-25

DTC
Description of
malfunction
Corrective action
SAE
VAG


P0156 16540 02 Sensor Circ., Bank2-
Sensor2
Malfunction
2) - Check oxygen sensor heater Page 24
-114
P0157 16541 02 Sensor Circ., Bank2-
Sensor2
Low Voltage
2) - Check oxygen sensor signal wire and activation Page 24
-122
P0158 16542 02 Sensor Circ., Bank2-
Sensor2
High Voltage
2)
P0159 16543 02 Sensor Circ., Bank2-
Sensor2
Slow Response 2) - Check oxygen sensor and oxygen sensor control behind catalytic
converter Page 24
-100

P0160 16544 02 Sensor Circ., Bank2-
Sensor2
No Activity Detected
2) - Check oxygen sensor heater Page 24
-114
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
recognized after the engine has been restarted. Significance of MIL Page 01
-3 .
Pa
ge 29 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

01-33

DTC
Description of malfunction
Corrective action
SAE
VAG


P1102 17510 O2 Sensor Heating Circ., Bank1-
Sensor1
Short to B+
2) - Check oxygen sensor heater Page 24
-114
P1105 17513 O2 Sensor Heating Circ., Bank1-
Sensor2
Short to B+
2)
P1107 17515 O2 Sensor Heating Circ., Bank2-
Sensor1
Short to B+ 2)
P1110 17518 O2 Sensor Heating Circ., Bank2-
Sensor2
Short to B+ 2)
P1111 17519 O2 Control (Bank 1)
System too lean - Check oxygen sensor adaptation values and oxygen sensor control
Page 24
-86

P1112 17520 O2 Bank 1
System too rich
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
recognized after the engine has been restarted. Significance of MIL Page 01
-3 .
Pa
ge 40 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

01-34

DTC
Description of malfunction
Corrective action
SAE
VAG


P1113 17521 Bank1-Sensor1
Internal Resistance too High
2) - Check oxygen sensor heater Page 24
-114
P1114 17522 Bank1-Sensor2
Internal Resistance too High
2)
- Check oxygen sensor signal wire and activation Page 24
-
122

P1115 17523 O2 Sensor Heater Circ., Bank1-
Sensor1
Short to Ground
2) - Check oxygen sensor heater Page 24
-114
P1116 17524 O2 Sensor Heater Circ., Bank1-
Sensor1
Open
2)
P1117 17525 O2 Sensor Heater Circ., Bank1-
Sensor2
Short to Ground
2)
P1118 17526 O2 Sensor Heater Circ., Bank1-
Sensor2
Open
2)
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
Pa
ge 41 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

01-35

DTC
Description of malfunction
Corrective action
SAE
VAG


P1119 17527 O2 Sensor Heater Circ., Bank2-Sensor1
Short to Ground
2) - Check oxygen sensor heater Page 24
-114
.
P1120 17528 O2 Sensor Heater Circ., Bank2-Sensor1
Open
2)
P1121 17529 O2 Sensor Heater Circ., Bank2-Sensor2
Short to Ground
2)

P1122 17530 O2 Sensor Heater Circ., Bank2-Sensor2
Open
2)

2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
recognized after the engine has been restarted. Significance of MIL Page 01
-3 .
Pa
ge 43 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

01-36

DTC
Description of malfunction
Corrective action
SAE
VAG


P1127 17535 Long Term Fuel Trim mult., Bank1
System too rich
2) - Carry out road test (Fuel in engine oil)
- Check fuel pressure Page 24
-33
P1128 17536 Long Term Fuel Trim mult., Bank1
System too lean
2) - Check Mass Air Flow (MAF) Sensor Page 24
-59
- Check for unmetered (false) air Page 24
-76
P1129 17537 Long Term Fuel Trim mult., Bank2
System too rich
2) - Check oxygen sensor before catalytic converter Page 24
-81
- Check oxygen sensor behind catalytic converter Page 24
-100
P1130 17538 Long Term Fuel Trim mult., Bank2
System too lean
2) - Check fuel injectors Page 24
-43
P1131 17539 Bank2-Sensor1
Internal Resistance too High
2) - Check oxygen sensor heater Page 24
-114
.
- Check oxygen sensor signal wire and activation Page 24
-122
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
recognized after the engine has been restarted. Significance of MIL Page 01
-3 .
Note:
mult. = multiplikative means that the malfunction affects the entire RPM and load range.
Pa
ge 44 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

01-37

DTC
Description of malfunction
Corrective action
SAE
VAG


P1136 17544 Long Term Fuel Trim Add. Fuel,
Bank1
System too Lean
2) - Carry out road test (fuel in engine oil)
P1137 17545 Long Term Fuel Trim Add. Fuel,
Bank1
System too Rich
2) - Check fuel pressure Page 24
-33
P1138 17546 Long Term Fuel Trim Add. Fuel,
Bank2
System too Lean
2) - Check Mass Air Flow (MAF) Sensor Page 24
-59
P1139 17547 Long Term Fuel Trim Add. Fuel,
Bank2
System too Rich
2) - Check oxygen sensor before catalytic converter Page 24
-81
- Check oxygen sensor behind catalytic converter Page 24
-
100

- Check EVAP canister valve 1 Page 24
-134
P1140 17548 Bank2-Sensor2
Internal Resistance too High
2) - Check oxygen sensor heater Page 24
-114
.
- Check oxygen sensor signal wire and activation Page 24
-
122

2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is
recognized after the engine has been restarted. Significance of MIL Page 01
-3 .
Pa
ge 45 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

01-103

X
X
X
X
X
X
X
X
Notes for display group 086 display field 1 (Ready-Bits)

1 = Three Way Catalytic Converter (TWC) (diagnostic of catalytic converter)

Display 0 = ready
Display 1 = not ready (Readiness code generating Page 01
-105
)

2 = TWC Catalytic Converter (not available/always "0")

3 = EVAP system (0 = ready)

Display 0 = ready
Display 1 = not ready (Readiness code generating Page 01
-105
)

4 = Secondary Air Injection (AIR) System

Display 0 = ready
Display 1 = not ready (Readiness code generating Page 01
-105
)

5 = Climate Control (diagnosis not applicable/always "0")

6 = Oxygen sensors

Display 0 = ready
Display 1 = not ready (Readiness code generating Page 01
-105
)

7 = Oxygen sensor (O2S) heater

Display 0 = ready
Pa
ge 124 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