Section A - ABS Hydraulic Modulator Inspection
BEGIN SECTION "A" - ABS Hydraulic Modulator InspectionSection "A" will be your beginning point and will be completed for every vehicle. This section tests the condition of the ABS Hydraulic Modulator valves. Depending on the condition of the valves (pass or fail) sections "B" and "C" may or may not be necessary.
NOTE:
It will be necessary to use your Tech2 with a 32MB card updated with software version 32.001 or later for this campaign. Update your Tech2 through TIS2WEB if necessary. (Contact the Suzuki Automotive Tech Line if needed for TIS2WEB Download Assistance.)
NOTE:
During the ABS Hydraulic Modulator Inspection, battery discharge may occur. It is recommended to connect a secondary power supply to the battery.
1. Connect the updated Tech2 (Version 32.001 or Later) to the vehicle Data Link Connector (DLC) and turn the power on. Select ENTER to proceed to the Main Menu screen.
2. Select function F0: Diagnostics, to proceed to the Vehicle Identification screens.
3. Select model year for the vehicle being worked on.
4. Select Passenger Car.
5. Select model code J to proceed to the Diagnostics screen.
6. Select Chassis to proceed to the CAUTION screen.
7. If the ABS or TCS warning lamps are illuminated on the instrument cluster, the ABS module will not be available for testing. Correct the cause before continuing with this bulletin. If the lamps are not illuminated, Select Continue to proceed to additional Vehicle Identification.
8. Select Teves to proceed to the Chassis screen.
9. Select function F0: Electronic Brake Control Module to proceed to the Electronic Brake Control Module screen.
10. Select function F2: Special Functions, to proceed to the Special Functions screen.
11. Select function F1: ABS Check to proceed to the ABS Check screen.
12. Start the ABS Hydraulic Modulator Valve Check procedure.
a. Follow the instructions on the Tech2 screen. Press "Start to begin.
NOTE:
When following instructions on the Tech2 screen, use the "Page Down" or "Down Arrow" to access all instructions.
13. Wait for the Tech2 to communicate and receive data.
NOTE:
To fully complete this ABS Hydraulic Modulator Inspection procedure, steps 14 through 18 will repeat for each wheel circuit in order; Left Front, Right Front, Left Rear then Right Rear.
14. Procedure in Progress.
a. The ABS pump motor should run for one second while the "Procedure in Progress" screen is displayed.
15. When instructed by the Tech2 screen, apply and Hold the Brake Pedal firmly.
a. Apply and hold the brake pedal firmly during this check.
b. At this time you should feel the pedal drop at least 1/4 inch when the valve opens, and should feel pedal push back returning the pedal to its beginning position as the motor pressurizes the system.
16. Was the brake pedal "drop at least 1/4 inch?
a. If you decide brake pedal drop was NOT at least 1/4 inch, select "No". The screen will renew and display "Procedure Failed". If any of the wheel circuit tests fail, you will have to replace the ABS Hydraulic Modulator (Go to SECTION "C" - ABS Hydraulic Modulator Replacement in this bulletin. Press "EXIT" to continue.
b. If the answer was yes, select "Yes" and proceed to the next step.
17. Did the pedal raise back to its original position?
a. If you decide brake pedal push back did not bring the pedal back to its original position, select "No". The screen will renew and display "Procedure Failed". If any of the wheel circuit tests fail, you will have to replace the ABS Hydraulic Modulator (Go to SECTION "C" - ABS Hydraulic Modulator Replacement in this bulletin. Press "EXIT" to continue.
b. If the answer was yes, select "Yes" and proceed to the next step.
18. The ABS Check Screen will instruct you to release the pedal.
a. If there are remaining wheel circuits to be checked (right front, left rear, or right rear), the procedure will return to step 14. If all circuits have been checked and pass the inspection, proceed to the next step.
19. If all the wheel circuits (left front, right front, left rear, and right rear) have passed the check, the ABS Hydraulic Modulator is good. Continue to the Brake Valve Cycling section of this bulletin (SECTION "B") to complete this recall.
a. Select "EXIT" to continue.
SECTION "A" PASS - PROCEED TO SECTION "B".
SECTION "A" FAIL - PROCEED TO SECTION "C".
END OF SECTION "A"
- ABS Hydraulic Modulator Inspection