1. INSPECT COOLING FAN SYSTEM
(a) Put the vehicle in the following conditions
(1) The engine switch is off.
(2) The coolant temperature is less than 95°C (203°F).
(3) The battery voltage is between 9 and 14 V.
(4) The A/C switch is OFF.
(b) Clamp the 400 A probe of an ammeter over the M+ wire of each cooling fan motor.
(c) Turn the ignition switch to the ON position and wait for approximately 10 seconds. Check that the fan stops.
(d) Start the engine. Check that the fan stops with the engine idling.
HINT:
(e) Check that the fan operates when the A/C switch is turned ON (MAX COOL and the magnetic clutch is operating).
Standard current
HINT:
The coolant temperature is less than 95°C (203°F).
(f) Check that the fan operates when the engine coolant temperature sensor connector is disconnected.
Standard current


(g) After the engine is warmed up, check that the fan operates as shown in the illustration.
HINT:
Precaution
CoolantShort to GND in Front Passenger Side Squib
2nd Step Circuit
DTC B1187/55 Short to GND in Front Passenger Side Squib
2nd Step Circuit
DESCRIPTION
The front passenger side squib 2nd step circuit consists of the center airbag
sensor assembly and the
front passenger airbag assembly.
The circuit instructs the SRS to deploy when deployment conditions are ...
Cruise Control Switch Circuit
DESCRIPTION
The cruise control main switch operates 8 functions: SET, - (COAST),
TAP-DOWN, RES (RESUME), +
(ACCEL), TAP-UP, CANCEL, and MODE. The SET, TAP-DOWN, and - (COAST) functions,
and the RES
(RESUME), TAP-UP, and + (ACCEL) functions are operated with the same switch. The
cruise contr ...
Cranking Holding Function Circuit
DESCRIPTION
The system detects the ignition switch's starting signal (STSW) and then
supplies current to the starter
until the ECM judges that the engine has started successfully. The purpose is to
reduce the holding time
of the ignition key.
WIRING DIAGRAM
Refer to DTC P0617.
INSPECTI ...