Refer to "64.Body Control 10I.Troubleshooting(BCM) diagnostic system check-body controls".
1) Connect the scan tool.
2) Turn OFF the ignition switch.
3) Turn ON the ignition switch.
4) Observe the DTC information with a scan tool. Is a DTC set?
Yes
=>Go to Prioritized DTC check.
No
Go to Intermittent conditions of body control system.
Refer to "223.Body Control 36D.Symptom(BCM) intermittent conditions of body control system".
1) Connect the scan tool.
2) Turn OFF the ignition switch.
3) Turn ON the ignition switch.
4) Observe the DTC information with a scan tool. Is DTC B110E[11], B110E[49], B110E[A2], or B110E[A3] set at the same time?
Yes
Go to the applicable DTC diagnosis.
Refer to "64.Body Control 10I.Troubleshooting(BCM) DTC B110E[11] RLS(Rain and Light Sensor) Circuit Short to Ground".
Refer to "64.Body Control 10I.Troubleshooting(BCM) DTC B110E[A2] RLS(Rain and Light Sensor) Circuit System Voltage Low".
No
=>Go to Rain and light sensor harness connector inspection.
1) Inspect for poor connections at the rain and light sensor harness connector (pins 1, 2, and 3 of L4). Is the connection status normal?
Refer to "LHD Body Control" in the ETM (wiring diagram). (Open using the ETM viewer.).
Refer to "RHD Body Control (4JJ3 with DPD)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Refer to "RHD Body Control (4JJ3 without DPD, RZ4E)" in the ETM (wiring diagram). (Open using the ETM viewer.).
Yes
Replace the rain and light sensor.
Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control rain and light sensor removal".
Refer to "9.Body, Cab, Accessories 9Z.Body, Cab, Accessories Electrical Control rain and light sensor installation".
No
Repair the connections as necessary.
1) Clear the DTC with a scan tool.
2) Turn OFF the ignition switch for 30 seconds or more.
3) Turn ON the ignition switch.
4) Observe the DTC information with a scan tool.