0172857 JOHNSON VALVE BODY AND GEAR CASE ASSY

Table 1
G3500 A/F Ratio Parameter Identifiers (PID)
PID Description Resolution/Data Data Range Length
0001 aa # Of Speed Sensitive Timing Maps Available 1 map per bit 0 to 6 Bits 8 - 1 (aa)
0002 aa Speed Sensitive Timing Map in Use 0 = disabled
1 = map #1 enabled
2 = map #2 enabled, etc. 0 to 6 Bits 8 - 1 (aa)
0003 aa Detonation 00 - 09 = 1 bar
10 - 12 = 2 bars
13 - 15 = 3 bars
16 - 17 = 4 bars
18 = 5 bars
19 - 20 = 6 bars
21 = 7 bars
22 - 26 = 8 bars
27 - 31 = 9 bars
32 - 255 = 10 bars 0 to 255 Bits 8 - 1 (aa)
0007 aa # of Detonation Sensors 0 = no sensors
1 = 1 sensor, etc. 0 to 2 Bits 8-1 (aa)
0008 aa Engine Type High Nibble = family
Low Nibble = # cyls.
i.e. 5 = 3500 family
F = 16 cyls.
5F = 3516 Engine 0 to 255 Bits 8 - 1 (aa)
000C aa Oxygen Sensor Status bit 8 1 = start cal.
bit 7 1 = cal. in progress
bit 6 1 = sensor on (status)
bit 5 1 = command sensor on 0 to F0 Bits 8 - 1 (aa)
0011 aa Ignition Timing Calibration bit 8 1 = cal. good
bit 8 0 = cal. bad
bit 7 1 = enable cal.
bit 7 0 = disable cal. 0 to C0 Bits 8-1 (aa)
0016 aa Inlet Manifold Temp 1 degree C per bit 0 to 255 Bits 8 - 1 (aa)
0040 aabb Actual Engine RPM 0.5 rpm per bit 0 to 16383 rpm Bits 16-9 (aa)
Bits 8-1 (bb)
0041 aabb Actual Ignition Timing 0.1 degree per bit 0 to 400
0 to 40 degrees Bits 16-9 (aa)
Bits 8-1 (bb)
0046 aabb Desired Engine Speed 0.5 rpm per bit 0 to 6400
0 to 3200 rpm Bits 16-9 (aa)
Bits 8-1 (bb)
0047 aabb Desired Ignition Timing 0.1 degree per bit 0 to 400
0 to 40 degrees Bits 16-9 (aa)
Bits 8-1 (bb)
004B aabb Rated Engine Speed 0.5 rpm per bit 0 to 32767 rpm Bits 16-9 (aa)
Bits 8-1 (bb)
005D aabb Inlet Manifold Pressure 1 kPa per bit 0 to 6383 kPa Bits 16-9 (aa)
Bits 8-1 (bb)
0080 mb Device ID Code 12,00,01,00,61,00
12,00 = MID
01,00 = Software Version
61,00 = Application Type 6 Bytes
0082 mb Diagnostic Codes aabbcc...
aabb CID
cc - FMI
Refer to IID 82 0 - 27 Bytes
0086 mb Software Date Code aa aa aa = month
bb bb = year
i.e. 53 45 50 = S E P
39 35 = 9 5 5 Bytes
F108 aa Speed Governor Aux. #1 Proportional Gain Adjustment 1 unit per bit (signed) -30 to +30 Bits 8 - 1 (aa)
F109 aa Speed Governor Aux. #1 Internal Gain Adjustment 1 unit per bit (signed) -30 to +30 Bits 8 - 1 (aa)
F10A aa Speed Governor Aux. #1 Derivative Gain Adjustment 1 unit per bit (signed) -30 to +30 Bits 8 - 1 (aa)
F10B aa Speed Governor Primary Proportional Gain Adjustment 1 unit per bit (signed) -30 to +30 Bits 8 - 1 (aa)
F10C aa Speed Governor Primary Integral Gain Adjustment 1 unit per bit (signed) -30 to +30 Bits 8 - 1 (aa)
F10D aa Speed Governor Primary Derivative Gain Adjustment 1 unit per bit (signed) -30 to +30 Bits 8 - 1 (aa)
F113 aa Engine Operation bit 8 0 = genset
bit 8 1 = industrial
bit 6 0 = isochronous governor
bit 6 1 = droop governor Bits 8 - 1 (aa)
F11B aa Engine Compression Ratio 0.1:1 ratio per bit 0:1 to 22.3:1 Bits 8 - 1 (aa)
F11C aa Air/Fuel Ratio Control Proportional Gain Adjustment Factor 1 unit per bit -30 to +30 Bits 8 - 1 (aa)
F11D aa Air/Fuel Ratio Control Integral Gain Adjustment Factor 1 unit per bit -30 to +30 Bits 8 - 1 (aa)
F121 aa EIS Mode bit 8 1 = master
bit 8 2 = slave Bits 8 - 1 (aa)
F122 aa # of Load Sensitive Ignition Timing Maps Available 1 = 1 map
2 = 2 maps, etc.
0 = disabled 0 to 2 Bits 8 - 1 (aa)
F123 aa Load Sensitive Timing Map in Use 1 = # 1
2 = # 2
0 = disable 0 to 2 Bits 8 - 1 (aa)
F124 aa EIS Special Test Status bit 8, 1 = enable special test
bit 8, 0 = disable
bits 5-1, 0 = test passed
bits 5-1, non zero = # of tests failed Bits 8 - 1 (aa)
F125 aa Air/Fuel Ratio Enable/Disable Flag 0 = enable A/F ratio
nonzero = disable A/F ratio Bits 8 - 1 (aa)
F129 aa Speed Governor Aux #1 Gain Status 0 = aux. #1 governor gains not in use
nonzero = aux. #1 governor gains in use Bits 8 - 1 (aa)
F44E aabb Actual Exhaust Oxygen Percent 0.01% oxygen per bit 0 to 655.03% Bits 16-9 (aa)
Bits 8-1 (bb)
F44F aabb Desired Exhaust Oxygen Percent 0.01% oxygen per bit 0 to 655.03% Bits 16-9 (aa)
Bits 8-1 (bb)
F45B aabb Desired Engine Ramp Rate speed per sec. per bit 0 to 65535 Bits 16-9 (aa)
Bits 8-1 (bb)
F510 aabb Desired Engine Idle Speed 0.5 rpm per bit 0 to 32767 rpm Bits 16-9 (aa)
Bits 8-1 (bb)
F515 aabb Engine Speed Drop Percent 0.1 % per bit 0 to 6550% Bits 16-9 (aa)
Bits 8-1 (bb)
F524 aabb Desired Full Load Exhaust Oxygen 0.01% oxygen per bit 0 to 100% Bits 16-9 (aa)
Bits 8-1 (bb)