PRE-RELEASE
"READ ON/OFF" command menu
| "READ ON/OFF" command menu |
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ISAT scan tool display
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Function
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DIAGNOSTIC STATUS
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This command has the following submenus:
• EVAP • THREE WAY CATALYTIC CONVERTER • FRONT HEATED OXYGEN SENSOR (oxygen sensor 1) • REAR HEATED OXYGEN SENSOR (oxygen sensor 2) • PREHEAT OXY SENSOR FRONT. • TRIP OBD II Each command produces an answer indicating whether the corresponding OBD II diagnosis has been monitored. Answer: "READY"/"NOT READY" |
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CLOSED LOOP
YES/NO |
Internal Trionic status indicating whether closed loop
is active (=YES).
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CHECK ENGINE request
YES/NO |
Input signal from transmission control module
indicating whether the transmission has stored any emission-related OBD II diagnostic trouble
code (=YES).
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PREHEAT OXY SENSOR FRONT
ON/OFF |
Internal Trionic status indicating whether the oxygen
sensor's heating circuit is activated (=ON).
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PREHEAT OXY SENSOR REAR
ON/OFF |
Internal Trionic status indicating whether the oxygen
sensor's heating circuit is activated (=ON).
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ENGINE TORQUE LIMITATION
ON/OFF |
Input from transmission control module, see "Test
readings, control module connections".
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DRIVE
ON/ OFF
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Input signal from transmission control module
indicating gear position. Range of measurement: P, N = "OFF" = 0 V D, 3, 2, 1 = "ON" = 12
V
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BRAKE LIGHT SWITCH
ON/OFF |
Input from brake light switch. "ON" = 12 V, "OFF" =
0 V
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CRUISE CONTROL
ON/OFF |
Input signal from Cruise Control system's
control module. "ON" = 0 V, "OFF" = 12 V
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A/C IN
ON/OFF |
Input signal from ICE via antifrost thermostat. "ON"
= 12 V, "OFF" = 0 V
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A/C OUT
ON/OFF |
Output to A/C relay/compressor. "ON" = 0 V, "OFF"
= 12 V
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CHECK ENGINE LAMP
ON/OFF |
Output to main instrument display panel. "ON" = 0
V, "OFF" = 12 V
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SHIFT UP LAMP
ON/OFF |
Output to main instrument display panel. "ON" = 0
V, "OFF" = 12 V
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PUMP RELAY
ON/OFF |
Output to fuel pump relay. "ON" = 0 V, "OFF" = 12
V
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MAIN RELAY
ON/OFF |
Output to main relay. "ON" = 0 V, "OFF" = 12
V
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KNOCK CONTR ACTIVE
YES/NO |
Internal Trionic status indicating whether ignition
retarded on account of knock control (=YES).
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IDLING SPEED
YES/NO |
Internal Trionic status indicating whether idle position present
(=YES).
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