Without Scan Tool

On-Board Diagnosis - Mode I (IVMS Communication Diagnosis)




How To Perform Mode I

Description




In this mode, a malfunction code is indicated by the number of flashes from the front map lamps and step lamps as shown below:
After indicator lamp turns on for 2 seconds then off for 2 seconds, it flashes [cycling ON (0.5 secs.)/OFF (0.5 secs.)] to indicate a malfunction code of the first digit. Then, 1 second after indicator lamp turns off, it again flashes [cycling ON (0.5 secs.)/OFF (0.5 secs.)] to indicate a malfunction code of the second digit.
For example, the indicator lamp goes on and off for 0.5 seconds twice and after 1.0 second, it goes on and off for 0.5 seconds four times. This indicates malfunction code "24".

Malfunction Code Table

On-Board Diagnosis - Mode II (Switch Monitor)




How To Perform Mode II

Description




In this mode, when Body Control Module (BCM) detects the input signal from a switch in In-Vehicle Multiplexing System (IVMS) as shown in diagram, the detection is indicated by the interior lamp and front step lamps with buzzer.




Switch Monitor Item