Installation
PrecautionPower Supply Drive Circuit (C1257)
DESCRIPTION
The motor relay (semiconductor relay) is built into the hydraulic brake booster
and drives the pump motor based on a signal from the skid control ECU (master cylinder
solenoid).
DTC No.
DTC Detecting Condition
Trouble Areas
C1257
...
Installation
INSTALLATION
PROCEDURE
1. INSTALL NO. 1 FUEL TANK PROTECTOR
(a) Install the No. 1 fuel tank protector to the fuel tank assembly with the
4 clips.
2. INSTALL FUEL SUCTION TUBE SET GASKET
Click here
3. INSTALL FUEL SUCTION TUBE WITH PUMP AND GAUGE ASSEMBLY
Click here
4. INSTALL FUEL PUMP ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY
(a) Disconnect the A36 air conditioning amplifier assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
HINT:
Measure the values on the wire harness side with the connector disco ...