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No.
|
TECH 1 Display
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Conditions for
Checking
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Nominal Value
|
Trouble Codes
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Terminal
|
|
36
|
02
SENSOR
|
X 20 SE engine only:
Engine running at idle speed,
operating temperature
Switch off all consumers
|
Voltage change between 0 to 1000
mv
|
13,
38, 39
|
28,
10
|
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Notes on Trouble - shooting:
|
Nominal Value:
|
Cause of Fault:
|
|
· Ignition ON
· Disconnect wiring harness plug for
oxygen sensor P 32
· Lift vehicle
· Measure voltage between plug for oxygen
sensor P 32 / Ter. C and Ter. B on control unit side
|
400 to 500 mV
|
· Short circuit or lead interruption from
- control
unit K 61 / Ter. 28 to oxygen sensor P 32 / Ter. C
- control
unit K 61 / Ter. 1 0 to ground
- oxygen
sensor P 32 / Ter. B to ground
|
|
· Allow engine to
run at 1200 to 1600 rpm at coolant temperature = 85 °C /
l85 °F
· Measure voltage at
Ter. C to Ter. B with engine running (using adapter lead)
|
Voltage change between
0 to 1000 mV
|
· Mixture constantly
too rich
(see test step 39)
· Mixture constantly
too lean
(see test step 39)
|
|
· Measure voltage at
Ter. A to Ter. B (using adapter lead)
|
11.5 to 13.5 V
|
· Oxygen sensor
heating defective
· Lead interruption
from
- fuel pump relay K 44 / Ter. 87
to oxygen sensor P 32 / Ter. A
- oxygen sensor P 32 / Ter. B
to ground
· Oxygen sensor P 32
defective
· Control unit K 61
defective
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