Protected: VZ – V8 – GEN 3 APP 92210500

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Protected: every thing i have Learned about MEMCALS

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Honda Accord CR2 2013-2019 battey sensor operation and testing

alyways annoyed that you cant find the info on how to test this stuff people never post in plain english

so heres what i know

P154A (battery sensor internal failure) stored. In this case, the battery sensor has an internal failure and must be replaced. 
here is the test steps

pin 1 blue = lin bus square wave
pin 2 red = battery voltage
pin 3 green = faint ground signal
yellow at alternator same as blue wire

SENSOR NOW WORKS WHEN THE HEAD LIGHTS ARE TURNED ON ONLY

THE BATTERY VOLTAGE IS NOW AT 14.3V
ELD VALUE IS 213.5 AMPS

BATTERY CURRENT SENSOR IS 15.7AMPS

WHEN HEAD LIGHTS ARE TURNED OFF THE BATTERY VOLTAGE GOES DOWN TO 12.3VOLTS NO OTHER WAY TO GET VOLTAGE UP

TST DRIVE VEHICLE TO CHECK ALTERNATOR VOLTAGE OUTPUT

WIRING DIAGRAM

both square waves will be the same
if not the same wiring issue
if the same alternator is not charging then the alternator is no good.
if the alternator is charging and the signals the same the sensor is no good.

Wiring on the sensor its self

Honda battery sensor – resistance testing with sensor out of car – this was not correct for my vehicle unless the plug is up side down (we are in Australia)

i have 2.75M ohms on both pin 1 and pin2 ??????????????????????

this is the 2 wire unit cant find a wiring diagram on my end

After all that here is what I have measured when I bit the bullet and bought a new one

Previous Repairs, and the short story

The vehicle was delivered to us after talks about the original issue with the vehicle, which was poor performance and fuel trims high +45.

During the Conversation about the vehicle it was decided that a new air flow meter be installed and the vehicle test driven to confirm the fuel trims are coming back into line (+ or – 6%)
The vehicle was fitted with a new aftermarket air flow meter and fuel trims checked on the test drive.

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Protected: Hyundai Santa fe – Radar Cruise ADAS programming

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KPA TO PSI – BOOST CONVERSION CHART

kPapsi🔗
00
10.145038
20.290075
30.435113
40.580151
50.725189
60.870226
71.01526
81.1603
91.30534
101.45038
111.59542
121.74045
131.88549
142.03053
152.17557
162.3206
172.46564
182.61068
192.75572
202.90075
213.04579
223.19083
233.33587
243.48091
253.62594
263.77098
273.91602
284.06106
294.20609
304.35113
314.49617
324.64121
334.78625
344.93128
355.07632
365.22136
375.3664
385.51143
395.65647
405.80151
415.94655
426.09158
436.23662
446.38166
456.5267
466.67174
476.81677
486.96181
497.10685
507.25189
517.39692
527.54196
537.687
547.83204
557.97708
568.12211
578.26715
588.41219
598.55723
608.70226
618.8473
628.99234
639.13738
649.28242
659.42745
669.57249
679.71753
689.86257
6910.0076
7010.1526
7110.2977
7210.4427
7310.5878
7410.7328
7510.8778
7611.0229
7711.1679
7811.3129
7911.458
8011.603
8111.7481
8211.8931
8312.0381
8412.1832
8512.3282
8612.4732
8712.6183
8812.7633
8912.9084
9013.0534
9113.1984
9213.3435
9313.4885
9413.6335
9513.7786
9613.9236
9714.0687
9814.2137
9914.3587
10014.5038
10114.6488
10214.7938
10314.9389
10415.0839
10515.229
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12017.4045
12117.5496
12217.6946
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12417.9847
12518.1297
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12718.4198
12818.5648
12918.7099
13018.8549
13118.9999
13219.145
13319.29
13419.4351
13519.5801
13619.7251
13719.8702
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13920.1602
14020.3053
14120.4503
14220.5954
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14420.8854
14521.0305
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14721.3205
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14921.6106
15021.7557
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15322.1908
15422.3358
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17124.8015
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17325.0915
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17725.6717
17825.8167
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18126.2518
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18526.832
18626.977
18727.1221
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18927.4121
19027.5572
19127.7022
19227.8472
19327.9923
19428.1373
19528.2824
19628.4274
19728.5724
19828.7175
19928.8625
20029.0075

Ford Falcon body control modules FG1 & FG2

A vehicle came in this week and BCM replaced with new unit supplied from ford, a local locksmith had carried out key programming and parameter reset, got the vehicle started (cool)

Post starting the vehicle, the vehicle locks did not work correctly and the BCM configuration thought it was a 4wd and a wagon ( no way)
1. the door ajar switch is open when door closed and closed when door open.
so the BCM is wired differently or opposite in the FG2 Compared with the FG1

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VY Commodore – 3 Air con Regasses later and it still leaking.

Commodore as notorious for leaking every where in the A/C system, many times it can be found by green dry leaking oil and giving a witness mark where to find the leak

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Hyundai Genesis – v6 GDI – relative compression test

Vehicle came in stolen and recovered, and an engine assessment had to be done using E-scan we where able to conduct a relative compression test from one port after removing the fuel pump fuse in the boot fuse box

This is all well and good when the engine goes well and there is no issues we we decided to conduct a fuel trim test to make sure the engine was running good through the rpm range

After this an Astra engine came in on a tow truck after it just stopped on the road, the engine sounded funny when cranking so again a relative compression test was Carried out

Even though the pc told us this was ok I decided to not believe the pc relative compression test as the graph didnt look quite right, out with a spark plug and we found cyl1 – 0 Psi, Cyl2 – 50 Psi, Cyl3 – 0 Psi Cyl4 – 0 Psi

So it just goes to show you go with your guts and do things manually when your guts tells you something, but I learned the differences in the graphs this Astra direct injection engine, had a snapped chain….

And we will know faster next time. Faster at servicing and repairing vehicles in seven hills NSW