DTC B1262 A/C ECU Communication Stop
DESCRIPTION
DTC B1262 is output when communication between the A/C amplifier and the multiplex network gateway ECU stops for more than 10 seconds.
DTC No. |
DTC Detection Condition |
Trouble Area |
B1262 |
A/C ECU communication stops |
|
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (A/C AMPLIFIER - BATTERY)
Standard voltage
HINT:
*1: for Automatic A/C
*2: for Manual A/C
2 CHECK HARNESS AND CONNECTOR (A/C AMPLIFIER - GROUND)
Standard resistance
HINT:
*1: for Automatic A/C
*2: for Manual A/C
3 CHECK COMMUNICATION LINE
Standard resistance
HINT:
*1: for Automatic A/C
*2: for Manual A/C
Result
REPLACE A/C AMPLIFIER
Inspection
1. INSPECT MASS AIR FLOW METER
Visually check for any foreign matter on the
platinum hot wire (heater) of the mass air flow
meter.
OK:
There is no foreign matter.
If the result is not as specified, replace the mass air
flow meter.
Measure the resistance according to the ...
Camshaft Position "A" Actuator Circuit
DESCRIPTION
The Variable Valve Timing (VVT) system includes the ECM, Oil Control Valve
(OCV) and VVT controller.
The ECM sends a target duty-cycle control signal to the OCV. This control signal
regulates the oil
pressure supplied to the VVT controller. Camshaft timing control is perform ...
Short to B+ in Rear Curtain Shield Squib LH
Circuit
DTC B1638/86 Short to B+ in Rear Curtain Shield Squib LH
Circuit
DESCRIPTION
The rear curtain shield squib LH circuit consists of the center airbag sensor
assembly and the curtain
shield airbag assembly LH.
The circuit instructs the SRS to deploy when deployment conditions are met.
DTC B ...