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Introduction

When the ABS system detects a fault, it lights a lamp on the dashboard. This means the controller has detected an issue and is highlighting it for attention. In common with a lot of manufacturers, Suzuki expects you to return the vehicle to a dealer to get the problem diagnosed. Dealers subscribe to an expense proprietary code reader system to read the codes and it becomes an expensive process to find out what is wrong. However, International regulations make it mandatory that non-Suzuki aligned garages can also carry out diagnosis, therefore Suzuki provides a manual way of getting the error codes out of the controller.

This is achieved by shorting out pins on a small connector located behind the dashboard. It is on the drivers side (both for Right Hand Drive and Left Hand Drive) behind the steering wheel, on the side of the steering wheel nearest the door. Therefore on vehicles with the steering wheel on the proper side (RHD) it is behind the dashboard behind the drivers right hand when it is holding the steering wheel. If you are in one of those Jimnys with the steering wheel on the wrong side (a legacy of being invaded by Napoleon) then it is behind the dashboard behind the drivers left hand when it is holding the steering wheel.

It is a Blue colour connector with a PINK wire (with black stripe) and a Black wire and SIX connector positions but only two in use.

Reading codes

To read the codes:

1. drive the vehicle at over 30mph for at least 1 minute.
2. Stop, switch off ignition
3. Using a piece of wire, short the two pins in the connector together
   • Variation: Early models (G13BB)require you to remove the ABS Diode (pull it out) at this point
4. Turn on the ignition

The ABS light will now flash a code to tell you the fault, the flashing repeats itself

The code is a two digit code so will flash the first digit, pause for 1 second and then flash the second digit, then after a 3 second delay it will repeat.

The codes are:

Code	Reason
12	Normal
15	G sensor circuit fault
16	Stop lamp switch circuit fault
21 or 22	Righthand Front sensor fault
25 or 26	Lefthand Front sensor fault
31 or 32	Righthand Rear sensor fault
35 or 36	Lefthand Rear sensor fault
41	Right front Hold solenoid valve
42	Right front Release solenoid valve
45	Left front Hold solenoid valve
46	Left front Release solenoid valve
55	Rear Hold solenoid valve
56	Rear Release solenoid valve
57	Power source issue
61	ABS Pump motor circuit
63	ABS Solenoid valve circuit
71	ABS control module

Once complete remove the wire AND REPLACE THE DIODE IF YOU REMOVED IT

Clearing codes

To clear the codes:

1. Switch off ignition
2. Using a piece of wire, short the two pins in the connector together
3. Turn on the ignition
4. Pull and Remake the wire link at least 5 times within a 10 second period
5. Turn off ignition and remove wire

If necessary repeat the Reading cod section above to confirm that the code is now "12" = normal.