ZEST BOLT Service Manual

ELECTRICAL 133 20. Execute Service Test Routine for BCM ECU a. Execute BCM EOL Self-test routine (31 01 20 01) b. Read the DTCs from BCM ECU with the help of diagnostic tool. If any DTC is present follow the respective troubleshooting procedure to it. c. Execute Input switch test routine (31 01 34 09 06) d. Read Input switch test routine results with the help of diagnostic tool. If any DTC is present follow the respective DTC troubleshooting procedure to rectify it. MAJOR PRECAUTIONS FOR REPLACEMENT 1. While replacing the BCMs, it is suggested not to touch the BCM pins with hand. 2. While tightening the screws, tightening torque must not exceed 3. BCM upper and lower covers shall not be removed while verifying/replacing the BCM. 4. All of the service tool instructions for BCM replacement shall be followed. 5. Base and Mid BCMs shall be replaced ONE TO ONE in place of the faulty parts. LEARNING OF THE RKE (REMOTE KEY) Learn the RKE (remote key) as per below mentioned procedure a. Unlock the vehicle and open the driver door. b. Turn ON->OFF->ON Ignition 6 times within 6 seconds and observe flasher feedback. Two flashes of Left - Right indicator Lamps and Telltale outputs that indicates BCM entered into Remote key learn mode. c. During 10 seconds time period, press both Lock and Unlock buttons of Remote Key simultaneously. d. BCM shall flash Left - Right indicator lamp and Telltale twice. In parallel, doors get locked and unlocked. e. Learn next Remote Key as per steps c and d, if required. Note: Maximum four keys can be learned. f. On exiting learning mode, BCM shall give single long flash.