SYSTEM DIAGRAM

System Description
Operation CheckOpen 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
...
Open in One Side of Bus 5 Branch Line
DESCRIPTION
When the CAN bus main lines are normal (no open, short to ground, short to +B
or short between lines) and there is an ECU or sensor on the "Communication Bus
Check" screen that is indicated as not communicating or whose connection status
on the "Communication Bus Ch ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY
(a) for Double Cab
(1) Disconnect the P18 power window regulator master switch assembly connector.
(2) Measure the voltage and resistance according to the value(s) in the table
below.
HINT:
Measure the values on the wi ...