Saab 9000 Service Manual page 100

Fault diagnosis 97
DTC Malfunction/faulty component
CHECK ISAT ST display text
Action, see
page
(SAE)
P0123
Throttle position sensor. Control mod-
ule input shorting to battery positive
(B+) or open circuit.
ENGINE
on
FAU.LT XX P0123
THROTTLE POSITION
OPEN CIRCUIT/
SHORTING TO B+
112
-- ... --- ___ -.- -----c·---------------~-.
P0125 Engine coolant temperature sensor. In- on FAULT XX P0125
116
sufficient temperature increase. COOLANT TEMPERA-
TURE
P0130 Front heated oxygen sensor. All-em-
bracing diagnostic trouble code for oxy-
gen sensor operation.
c -=._-:::c.._.:....:._:._--::-::-:.--:c:::..._:.:..:~--r ~~~=~
P0132 Front heated oxygen sensor. Shorting
to battery positive (B+).
P01~
P0135
P0136
P0138
P0140
P0141
P0170
P0171
P0172
Front heated oxygen sensor. Poor re-
sponse to change in fuel-airmixture.
---- ---- - ---
·------------------·
__
::-_·_·-
____
·-
Heating, front heated oxygen sensor.
Current outside limits.
Rear heated oxygen sensor. All-em-
bracing diagnostic trouble code for oxy-
gen sensor operation.
Rear heated oxygen sensor. Shorting
to battery positive (B+).
Rear heated oxygen sensor. Shorting
to ground or open circuit.
Heating, rear heated oxygen sensor.
Current outside limits.
Adaptation. All-embracingdiagnostic
trouble code for the adaptation func-
tion.
Adaptation. Lean mixture.
Adaptation. Rich mixture.
on
on
on
on
on
on
on
on
on
on
on
Saab 9000
TEMP. INCREASE
SLOW
FAULT XX P0130 120
O2S 1
FUNCTION INCORRECT
FAULT XX P0132
O2S 1
SHORTING TO B+
120
FAULT XX P0133 120
O2S 1
LOW FREQUENCY
FAULT XX P0135 124
O2S 1
NO PREHEATING
FAULT XX P0136 128
O2S2
FUNCTION INCORRECT
. FAULT XX P0138 128
O2S2
SHORTING TO B+
FAULT XX P0140 128
O2S2
OPEN CIRCUIT/
SHORT TO GROUND
FAULT XX P0141
132
O2S2
NO PREHEATING
FAULT XX P0170 136
ADAPTATION
FUNCTION INCORRECT
FAULT XX P0171 136
ADAPTATION
LEAN
FAULT XX P0172 136
ADAPTATION
RICH
I