need Evo 9 owner to test rear O2 *heater* sim patch
Can you rephrase the question? It doesn't really make sense...
sorry about that havent been to bed yet.
what i meant was is it necessary to remove the rear o2 sensor after the sim patch as been installed and the sensor is no longer in use? i have 2 antifoulers on the o2 sensor right now. i would like to leave the o2 sensor where it is so that i can repin the ECU and retune the rom back to stock if need be.
what i meant was is it necessary to remove the rear o2 sensor after the sim patch as been installed and the sensor is no longer in use? i have 2 antifoulers on the o2 sensor right now. i would like to leave the o2 sensor where it is so that i can repin the ECU and retune the rom back to stock if need be.
sorry about that havent been to bed yet.
what i meant was is it necessary to remove the rear o2 sensor after the sim patch as been installed and the sensor is no longer in use? i have 2 antifoulers on the o2 sensor right now. i would like to leave the o2 sensor where it is so that i can repin the ECU and retune the rom back to stock if need be.
what i meant was is it necessary to remove the rear o2 sensor after the sim patch as been installed and the sensor is no longer in use? i have 2 antifoulers on the o2 sensor right now. i would like to leave the o2 sensor where it is so that i can repin the ECU and retune the rom back to stock if need be.
Evolved Member
Joined: Mar 2008
Posts: 730
Likes: 3
From: Lattitude 48.38°, Longitude 17.58°, Altitude 146m = Slovakia, for common dude
Code:
00047E4A mov #2, r4
00047E4C mov #0, r5
00047E4E mov #1, r6
.
.
.
00047E56 mov #1, r4
00047E58 mov #0, r5
00047E5A mov #1, r6
Last edited by acamus; Nov 4, 2009 at 10:41 PM.
Thread Starter
EvoM Guru
iTrader: (50)
Joined: Mar 2006
Posts: 9,675
Likes: 132
From: Tri-Cities, WA // Portland, OR
They're both rear O2 related. One resets the high current code, and the other resets the low current/high voltage code.
Front O2 would be r4 = 0x200, 100, r5 = 0.
Front O2 would be r4 = 0x200, 100, r5 = 0.
Last edited by mrfred; Feb 17, 2009 at 07:41 AM.
Evolved Member
Joined: Mar 2008
Posts: 730
Likes: 3
From: Lattitude 48.38°, Longitude 17.58°, Altitude 146m = Slovakia, for common dude
I passed Massachusetts inspection today with this patch applied.
Previously, I had failed inspection with the Tephra v5.1, O2 Simulator on, and resistor mod with rear O2 removed. I believe the resistor was faulty because I was throwing P0037, which I am no longer throwing with this patch.
The only change was adding this heater sim code to the existing Tephra v5.1 ROM.
Also worth noting is that the O2 Readiness test failed in both cases (although I still passed inspection even though it reported "Not Ready"). This may be a deficiency in Tephra's O2 simulator, because the front O2 sensor is brand new. The FAA ECU Periphery is stock as well.
Thanks mrfred, Tephra, and others
Previously, I had failed inspection with the Tephra v5.1, O2 Simulator on, and resistor mod with rear O2 removed. I believe the resistor was faulty because I was throwing P0037, which I am no longer throwing with this patch.
The only change was adding this heater sim code to the existing Tephra v5.1 ROM.
Also worth noting is that the O2 Readiness test failed in both cases (although I still passed inspection even though it reported "Not Ready"). This may be a deficiency in Tephra's O2 simulator, because the front O2 sensor is brand new. The FAA ECU Periphery is stock as well.
Thanks mrfred, Tephra, and others
Last edited by recompile; Feb 17, 2009 at 09:58 AM.
If you had recently flashed it may have reported not ready rather than failed. Did you drive for an hour or so before heading to the emissions station?
Amazing you still passed, they wouldn't let that fly in IL.
Amazing you still passed, they wouldn't let that fly in IL.
I drove it for 2 days before heading to the inspection station.
Evolved Member
Joined: Mar 2008
Posts: 730
Likes: 3
From: Lattitude 48.38°, Longitude 17.58°, Altitude 146m = Slovakia, for common dude
0x0 - not ready as stated above,
0x1 - failed?
0xC - ?
0xD - ?
what about testing them which one is "PASSED"?
Thread Starter
EvoM Guru
iTrader: (50)
Joined: Mar 2006
Posts: 9,675
Likes: 132
From: Tri-Cities, WA // Portland, OR
Combinations of r4 and r5 are used to indicate which OBD-II test is being reset. OBD-II code vs r4 and r5 are indicated in the OBD-II code table xml for Evo 9s. Take a look at the latest ECUFlash Evo 9 xmls.
Evolved Member
Joined: Mar 2008
Posts: 730
Likes: 3
From: Lattitude 48.38°, Longitude 17.58°, Altitude 146m = Slovakia, for common dude
I am speaking of sub 32946 in 88590015
Code:
00032956 mov r5, r2 ; r5' -> r2 00032958 mov r4, r1 ; r4' -> r1 0003295A mov #0, r0 0003295C mov.w r0, @(8,r14) 0003295E mov #0, r9 00032960 mov.w r0, @(h'C,r14) 00032962 extu.w r2, r2 00032964 extu.w r2, r10 00032966 tst r10, r10 00032968 bt 32980 0003296A mov r2, r0 0003296C cmp/eq #1, r0 0003296E bt 32980 00032970 mov r2, r0 00032972 cmp/eq #h'C, r0 00032974 bt 32980 00032976 mov r2, r0 00032978 cmp/eq #h'D, r0 0003297A bt 32980
Last edited by acamus; Nov 4, 2009 at 10:40 PM.




