DESCRIPTION
Detection Item | Symptom | Trouble Area |
---|---|---|
Air Conditioning Amplifier Communication Stop Mode | Either condition is met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Click here
Click here
Click here
HINT:
PROCEDURE
1. | CHECK FOR OPEN IN CAN BUS LINES (AIR CONDITIONING AMPLIFIER ASSEMBLY BRANCH LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the J43 air conditioning amplifier assembly connector. |
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
J43-11 (CANH) - J43-12 (CANL) | Cable disconnected from negative (-) battery terminal | 54 to 69 Ω |
NG | ![]() | REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (AIR CONDITIONING AMPLIFIER ASSEMBLY) |
|
2. | CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
(b) Reconnect the cable to the negative (-) battery terminal.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection | Condition | Specified Condition |
---|---|---|
J43-2 (IG+) - Body ground | Engine switch on (IG) | 11 to 14 V |
J43-1 (B) - Body ground | Always | 11 to 14 V |
OK | ![]() | REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Rough Idling (P160500)
DESCRIPTION This DTC is stored if the combustion state of any cylinder is unstable. Using the Techstream, the conditions present when the DTC was stored can be confirmed by referring to the freeze frame data. Freeze frame data records engine conditions when a malfunction occurs. This information can ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Power Steering System: Error in Matching of ECUs (C1567)
DESCRIPTION Based on the steering sensor signal, the power steering ECU assembly determines if the correct type of steering sensor is installed. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition Note C1567 Error in Matching o ...