Installation
ComponentsOpen in Pump Motor Circuit (C1251)
DESCRIPTION
The motor relay (semiconductor relay) is built into the master cylinder solenoid
and drives the pump motor based on a signal from the skid control ECU (master cylinder
solenoid).
DTC No.
DTC Detecting Condition
Trouble Areas
C1251
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Check Bus 2 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Detection Item
Trouble Area
Resi ...
Removal
REMOVAL
PROCEDURE
1. REMOVE REFRIGERANT FROM REFRIGERATION SYSTEM
2. REMOVE AIR CONDITIONER PRESSURE SENSOR
(a) Disconnect the connector.
(b) Using a 27 mm deep socket wrench, remove the air conditioner pressure
sensor.
T ...