Parasitic Draw Check - Honda Accord CR/CT 2012-2017

1.

Parasitic draw check 1:

Parasitic draw check 1

?1.	Make sure the battery is fully charged, and that all the vehicle's electrical accessories are turned off.

?2.	To make the security alarm system recognize that the door is closed, open the hood, and disconnect the hood switch 2P connector.

?3.	Connect the security hood switch 2P connector terminals No. 1 and No. 2 with a jumper wire.

?4.	Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode.

?5.	Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.

?6.	Get out of the vehicle, and close all doors and trunk securely.

?7.	Lock the doors with the keyless remote.

?8.	Make sure the individual map lights are turned off, and the security alarm system is armed.

?9.	Wait for at least 20 minutes.

?10.

Attach the LH41 AC/DC low current clamp meter (A) to the battery ground cable (B). Follow the equipment manufacturer's instructions, then measure the parasitic draw.

Threshold of the parasitic draw.

27 mA	USA and Mexico models except J35Y1 and J35Y2 engines
36 mA	Canada model except J35Y1 and J35Y2 engines
42 mA	J35Y1 and J35Y2 engines

NOTE: If you are using a digital multimeter: go to step 2.

Is the measured valued less than the threshold?


	YES

Intermittent failure, the system is normal at this time.?


	NO

Go to step 3.

2.

Parasitic draw check 2:

Parasitic draw check 2

?1.

Check the following items before measuring:

	Set the multimeter dial to the DCA (direct current amps) range.
	Plug the red test probe into the red A (Amps) jack, and plug the black test probe into the COM jack.
	To avoid blowing an input fuse, start by setting the range above 10 A.

?2.	Loosen the nut (A) on the battery negative terminal. NOTE: Follow the instructions exactly to avoid disconnecting the battery ground cable terminal from the battery negative terminal.

?3.	Connect the red (+) test lead (A) to the negative terminal (B) of the battery ground cable.

?4.

Carefully slide the negative terminal of the battery ground cable upwards from the battery negative terminal post to maintain contact and avoid disconnection. Then connect the black (-) test lead (C) to the battery negative terminal post.

NOTE: If disconnection occurs, this could give you erroneous readings.

?5.	Disconnect the negative terminal (A) of the battery ground cable from the battery negative terminal.

?6.

Measure the parasitic draw.

Threshold of the parasitic draw.

27 mA	USA and Mexico models except J35Y1 and J35Y2 engines
36 mA	Canada model except J35Y1 and J35Y2 engines
42 mA	J35Y1 and J35Y2 engines

NOTE: If the measured value is over the threshold, wait 10 minutes and recheck.

Is the measured valued less than the threshold?


	YES

Intermittent failure, the system is normal at this time.?


	NO

Go to step 3.

3.

Electrical equipment check 1:

Electrical equipment check 1

?1.	Check if there are any aftermarket electrical accessories installed on the vehicle.

Are there any aftermarket electrical accessories installed?


	YES

Go to step 4.


	NO

Go to step 6.

4.

Electrical equipment check 2:

Electrical equipment check 2

?1.	Make sure that the aftermarket electrical accessories have been properly installed. NOTE: Check that the harness connected with the ACC, IG1, or IG2 line is not connected with the +B line.

Are the aftermarket electrical accessories installed correctly?


	YES

Go to step 5.


	NO

Repair, reinstall, or remove the aftermarket electrical accessories, then recheck.?

5.

Electrical equipment check 3:

Electrical equipment check 3

?1.	Disconnect the aftermarket electrical accessories one at a time.

?2.	Turn the ignition switch to ON (II) and then back to LOCK (0), or press the engine start/stop button to select the ON mode and then the OFF mode.

?3.	Get out of the vehicle and close all the doors.

?4.	Wait for at least 40 seconds.

?5.

Measure the parasitic draw.

Threshold of the parasitic draw.

27 mA	USA and Mexico models except J35Y1 and J35Y2 engines
36 mA	Canada model except J35Y1 and J35Y2 engines
42 mA	J35Y1 and J35Y2 engines

Is the measured valued less than the threshold?


	YES

Replace, remove, or repair the aftermarket electrical accessories that reduced the parasitic draw to 27 mA*¹, (36 mA)*², (42 mA)*³ or less when disconnected.?

*1: USA and Mexico models except J35Y1 and J35Y2 engines
*2: Canada model except J35Y1 and J35Y2 engines
*3: J35Y1 and J35Y2 engines


	NO

Go to step 6.

6.

Parasitic draw check 3:

Parasitic draw check 3

?1.

Remove the backup fuse while the test leads are connected, and measure the parasitic draw.

Threshold of the parasitic draw.

14 mA	USA and Mexico models except J35Y1 and J35Y2 engines
22 mA	Canada model except J35Y1 and J35Y2 engines
24 mA	J35Y1 and J35Y2 engines

Is the measured valued less than the threshold?


	YES

Go to step 7.


	NO

Go to step 8.

7.

Parasitic draw check 4:

Parasitic draw check 4

?1.	Install the backup fuse.

?2.	Short the B CAN-H line to B CAN-L line with a jumper wire while the test leads are connected.

?3.	Turn the ignition switch to ON (II) and then back to LOCK (0), or press the engine start/stop button to select the ON mode and then the OFF mode.

?4.	Get out of the vehicle and close all the doors.

?5.	Wait for at least 40 seconds.

?6.

Measure the parasitic draw.

Threshold of the parasitic draw.

27 mA	USA and Mexico models except J35Y1 and J35Y2 engines
36 mA	Canada model except J35Y1 and J35Y2 engines
42 mA	J35Y1 and J35Y2 engines

Is the measured valued less than the threshold?


	YES

Disconnect the control units from the B-CAN circuit one at a time, perform step 3?6 above, then measure the parasitic draw. Do the input test for the control unit that reduced the parasitic draw to 27 mA*¹, (36 mA)*², (42 mA)*³ or less when disconnected.?

*1: USA and Mexico models except J35Y1 and J35Y2 engines
*2: Canada model except J35Y1 and J35Y2 engines
*3: J35Y1 and J35Y2 engines


	NO

Disconnect the control units from the backup fuse circuit one at a time, perform step 3?6 above, then measure the parasitic draw. Replace the control unit that reduced the parasitic draw to 27 mA*¹, (36 mA)*², (42 mA)*³ or less when disconnected.?

*1: USA and Mexico models except J35Y1 and J35Y2 engines
*2: Canada model except J35Y1 and J35Y2 engines
*3: J35Y1 and J35Y2 engines

8.

Parasitic draw check 4:

Parasitic draw check 4

?1.	Remove the No. A12 fuse block in the under-hood fuse/relay box while the test leads are connected.

?2.	Turn the ignition switch to ON (II) and then back to LOCK (0), or press the engine start/stop button to select the ON mode and then the OFF mode.

?3.	Get out of the vehicle and close all the doors.

?4.	Wait for at least 40 seconds.

?5.

Measure the parasitic draw.

Threshold of the parasitic draw.

27 mA	USA and Mexico models except J35Y1 and J35Y2 engines
36 mA	Canada model except J35Y1 and J35Y2 engines
42 mA	J35Y1 and J35Y2 engines

Is the measured valued less than the threshold?


	YES

Go to step 9.


	NO

Remove the fuses from the under-hood fuse/relay box one at a time, and identify the parts which excessively consume current.?


	NO

If all electrical circuits are OK, check the starter system circuit.?


	NO

Perform the starter performance test.?

9.

Parasitic draw check 5:

Parasitic draw check 5

?1.	Install the No. A12 fuse block in the under-hood fuse/relay box.

?2.

Remove the power control unit while the test leads are connected, and measure the parasitic draw.

Threshold of the parasitic draw.

27 mA	USA and Mexico models except J35Y1 and J35Y2 engines
36 mA	Canada model except J35Y1 and J35Y2 engines
42 mA	J35Y1 and J35Y2 engines

Is the measured valued less than the threshold?


	YES

Replace the ignition switch or the under-dash sub relay box.?


	NO

Repair a short to ground in the wire between the No. A12-3 fuse in the under-hood fuse/relay box and the ignition switch (or the under-dash sub relay box).?