Operation CHARM: Car repair manuals for everyone.

Current Data, Mode 1



CURRENT DATA, MODE 1

In mode 1 the current diagnostic data can be interrogated and the readiness code can be displayed (PID 1 display field 4).

Breakdown of parameter identification (PID) see diagnostic data below.

The On Board Diagnostic (OBD) program can be used to check whether individual parameters correspond to actual engine condition.

- Press -1- button to select "Current Data" mode 1.

Indicated on display

Mode 41 PID x Module 10* ->
Current Data


Module 10* or 1A* will be displayed alternately when:
- Module 10 = Engine Control Module (ECM) -J220-, or
- Module 1A = Transmission Control Module (TCM) -J217- have the same parameter identifications (PID)

Example: Engine coolant temperature is measured at the engine and ATF at the transmission.

- The current data must be individually interrogated via the -> button.

- Press the Print button to obtain a printout.

The MIL is said to be switched ON when the engine is not running, and the ignition is switched ON.

Diagnostic data

Relevance of figures in 8 digit number block

Indicated on display

Mode 41 PID 1 Module 10 ->
00000000 xxxxxxxx xxxxxxxx xxxxxxxx






Relevance of figures in 8 digit number block

Indicated on display

Mode 41 PID 1 Module 10 ->
xxxxxxxx 00000111 xxxxxxxx xxxxxxxx






Relevance of figures in 8 digit number block

Indicated on display

Mode 41 PID 1 Module 10 ->
xxxxxxxx xxxxxxxx 01101101 xxxxxxxx






Indicated on display

Mode 41 PID 1 Module 10 ->
xxxxxxxx xxxxxxxx xxxxxxxx 00000000


If the specification is not obtained in display field 4 and a 1 is displayed, then the appropriate diagnostic sequence has not yet been performed. The readiness code must still be created. Readiness Code, Creating

Relevance of figures in 8 digit number block





- Press -> button to display any additional diagnostic data.

PID3: Fuel system status

Mode 41 PID 3 Module 10 ->
Fuel System Status xxxx1xxx xxxxxxxx


When the 4th position from the right is 1, the fuel injection system status is recognized as available.
- Press -> button.

PID4: Calculated load value %

Mode 41 PID 4 Module 10 ->
Calculated Load Value 2 %


Specification at idle approx.: 2%

- Press -> button.

PID5: Engine coolant temperature °C

Mode 41 PID 5 Module 10 ->
Engine Coolant Temperature °C


Indicates the current engine coolant temperature. Specification for engine at normal operating temperature: 80 ° to 105 °C (176 ° to 221 °F).

- Press -> button.

PID5: Coolant temperature °C

Mode 41 PID 5 Module 1A ->
Coolant Temperature °C


Indicates the current ATF temperature.

When the ATF specification is above 140 °C (284 °F) with engine at normal operating temperature, 80 ° to 105 °C (176 ° to 221 °F) a DTC will be stored.

- Press -> button.

PID6: Short term fuel trim, Bank 1 %

Mode 41 PID 6 Module 10 ->
Short Term Fuel Trim-Bank 1 x %


The oxygen sensor control integrator in % is displayed here

- Press -> button.

PID7: Long term fuel trim, Bank 1 %

Mode 41 PID 7 Module 10 ->
Long Term Fuel Trim-Bank 1 x %


The adaptation increases the value in % depending upon altitude

- Press -> button.

PID12: Speed (RPM)

Mode 41 PID 12 Module 10 ->
Engine Speed rpm


The engine speed (RPM) is displayed here

- Press -> button.

PID12: Speed (RPM)

Mode 41 PID 12 Module 1A ->
Speed rpm


The input speed (RPM) from transmission is displayed here

- Press -> button.

PID13: Speed (km/h)

Mode 41 PID 13 Module 1A ->
Speed x km/h


Current vehicle speed display

- Press -> button.

PID13: Speed (km/h)

Mode 41 PID 13 Module 10 ->
Speed km/h


Current vehicle speed display

- Press -> button.

PID14: Ignition timing advance

Mode 41 PID 14 Module 10 ->
Ignition Timing Advance 12°


Specification at idle: 12° fluctuating. If the displayed ignition angle is constant, and later than 12° then the cause can be a faulty knock sensor.

- Press -> button.

PID15: Intake air temperature °C

Mode 41 PID 15 Module 10 ->
Intake Air Temperature xxx °C


Measured at idle, slightly above ambient temperature

- Press -> button.

PID16: Air flow rate g/sec

Mode 41 PID 16 Module 10 ->
Air Flow Rate 4.30 g/sec


Measured at idle approx.: 4.3 g/sec. If the value is below 2.5 g/sec. unmetered air can be the cause.

- Press -> button.

PID17: Throttle valve position %

Mode 41 PID 17 Module 10 ->
Throttle Valve Position 3 %


Specification at idle: 2-4%. Too large or small a value leads to DTC: P1582

- Press -> button.

PID18: Secondary air injection status

Mode 41 PID 18 Module 10 ->
Command Secondary Air xxxxx1xx


When the 3rd position from right is 1, the secondary air injection system is recognized as available.

- Press -> button.

PID19: Heated Oxygen Sensor (HO2S) status

Mode 41 PID 19 Module 10 ->
Oxygen Sensor Location xxxxxx11


When the 1st and 2nd positions from right are 1, the heated oxygen sensors are recognized as available.

- Press -> button.

PID2O: Bank 1 Sensor 1: 0.445 V x%

Mode 41 PID 20 Module 10 ->
Bank 1 Sensor 1 0.445 V x %


- The displayed value in volts must regulate between 0 and 1.0 volts

- Press -> button.

PID21: Bank 1 Sensor 2: 0.445 V x%

Mode 41 PID 21 Module 10 ->
Bank 1 Sensor 2 0.445 V x %


- The displayed value in volts must regulate between 0 and 1.0 volt. However it must be at a slower rate than the HO2S before three way catalytic converter.

- Press -C- button to exit mode 1.