Dash Warning Light
Contents
1. Troubleshooting Dash Warning Light The dash warning light will come on and the control unit memorizes the problem under certain conditions NOTE Problem codes explained on page 13 13 The tire s adhesion is lost due to excessive corner ing speed Problem codes 5 5 4 5 8 The vehicle loses traction when starting from a stuck condition on a muddy snowy or sandy road Problem code 4 When the parking brake is applied for more than 30 seconds while the vehicle is being driven Problem code 2 The vehicle is driven on extremely rough road The ALB system is OK if the dash warning light goes off after the engine is restared DASH WARNING LIGHT 2 JU mii JU If you receive a customer s report that the dash warn ing light sometimes comes on check the system using the ALB checker to confirm whether there is any trouble in the system See page 13 8 The dash warning light will come on and the LED will display a problem code when there is insufficient battery voltage to the control unit Anexample would be when the battery is so weak that the car must be jump started After the battery is sufficiently recharged the dash warning light will work normally after the engine is stopped and restarted However after recharging the battery the LED prob lem code must be cleared from the control unit s memory by disconnecting the ALB B2 fuse for at least 3 seconds Warning Light Circuit2. 1 The dash warning light does not go on when the ignition switch is turned on Check the following items If they are OK check the control unit connectors If not loose or disconnected install a new control unit and recheck Blown dash warning light bulb Open circuit in YEL lead between No 1 10 A fuse and combination meter Open circuit in BLU RED lead between combination meter and control unit Loose component grounding of the control unit to the body The dash warning light remains ON or after the engine is started however the LED on the control unit does not blink any code check for the following Loose or poor conection of the wire harness at the control unit Faulty ALB B2 15 A fuse Open circuit in WHT lead between ALB B2 15 A fuse and control unit Open circuit in BLK YEL lead between fuse No 18 10 A and fail safe relay s Open or short circuit in the YEL GRN lead between control units Short circuit in BLU RED or BLK WHT lead between combination meter and control unit Open circuit in BRN YEL lead between alternator and control unit If the problem is not found substitute a known good control unit and recheck whether the warning light remains ON cont d 13 11 Troubleshooting Dash Warning Light cont d Comes on and remains on while running 1 Stop the engine 2 Turn the ignition switch on and make sure that the dash warning light comes on 3 Re
3. start the engine and check the dash warning light There is no problem in the ALB system if the dash warning light goes off Go step 4 if the dash warning light remains on 4 Stop the engine 5 Remove the control unit cover 6 Turn the ignition switch on but do not start the engine 7 Record the blinking frequency of the LED on the control unit The blinking frequency indicates the problem code Check first Check second Check third PROBLEM CODE PROBLEM PROBLEM CODE 4 2 CODE 1 7 2 LED on LED off 10 second pause 5 second 5 second 1 pause pause 1 Second Scond pause pause NOTE The control unit can indicate up to three problem codes if the LED does not light see Troubleshooting of warning light Circuit page 13 11 if you miscount the blinking frequency turn the ingition switch off then turn on to blink the LED again After the repair is completed disconnect the ALB B2 fuse for at least 3 seconds to erase the control unit s memory Then turn the ignition key on again and recheck The memory of problem code is erased if the connector is disconnected from the control unit or the control unit is removed from the body 13 12
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