Power Back Door Main Switch
Parts LocationCheck CAN Bus Line for Short to +B
DESCRIPTION
There may be a short circuit between the CAN bus main wire and +B when no resistance
exists between terminals 6 (CANH) and 16 (BAT) or 14 (CANL) and 16 (BAT) of the
DLC3.
Symptom
Trouble Area
No resistan ...
Diagnosis System
DIAGNOSIS SYSTEM
1. CHECK BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge the battery before proceeding to the next
step.
2. CHECK DLC3
(a) The ECU uses ISO 15765-4 for communication. The terminal arrangement of the ...
Wireless-linked Return Function does not Operate
DESCRIPTION
When a door is unlocked using the wireless unlock function or entry unlock function,
the certification ECU (smart key ECU assembly) sends a door unlock signal and key
ID signal to the main body ECU (driver side junction block assembly). When t ...