TERMINALS OF ECU
1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY
(a) Disconnect the F42 air conditioning amplifier connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F42-21 (B) - F42-14 (GND) |
V - W-B |
Battery power source |
Always |
11 to 14 V |
F42-1 (IG+) - F42-14 (GND) |
L - W-B |
Ignition power supply |
Ignition switch ON |
11 to 14 V |
F42-1 (IG+) - F42-14 (GND) |
L - W-B |
Ignition power supply |
Ignition switch off |
Below 1 V |
F42-14 (GND) - Body ground |
W-B - Body ground |
Ground |
Always |
Below 1 Ω |
(c) Reconnect the F42 air conditioning amplifier connectors.
(d) Measure the voltage and resistance according to the value(s) in the table below.
Terminal No. (Symbol) |
Wiring Color |
Terminal Description |
Condition |
Specified Condition |
---|---|---|---|---|
F42-40 (FDEF) - Body ground |
LG - Body ground |
Windshield deicer relay operation signal |
Ignition switch ON, outer mirror heater switch off |
11 to 14 V |
F42-40 (FDEF) - Body ground |
LG - Body ground |
Windshield deicer relay operation signal |
Ignition switch ON, outer mirror heater switch on |
Below 1 V |
F87-11 (FDF1) - Body ground |
P - Body ground |
Outer mirror heater switch indicator signal output |
Ignition switch ON, outer mirror heater switch off |
11 to 14 V |
F87-11 (FDF1) - Body ground |
P - Body ground |
Outer mirror heater switch indicator signal output |
Ignition switch ON, outer mirror heater switch on |
Below 1 V |
F87-5 (SW 1) - Body ground |
R - Body ground |
Outer mirror heater switch signal input |
Ignition switch ON, outer mirror heater switch off |
Below 1 V |
F87-5 (SW 1) - Body ground |
R - Body ground |
Outer mirror heater switch signal input |
Ignition switch ON, outer mirror heater switch on |
11 to 14 V |
TC and CG Terminal Circuit
DESCRIPTION
DTC output mode is set by connecting terminals 13 (TC) and 4 (CG) of the DLC3.
The DTCs are output by the blinking of the tire pressure warning light.
WIRING DIAGRAM
HINT:
When each warning light blinks continuously, a ground short in the w ...
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL BRAKE BOOSTER PISTON SIB-ASSEMBLY
(a) Apply a light coat of lithium soap base glycol grease to a new piston.
(b) Install the piston.
NOTICE:
When installing, be careful ...