Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT CLOCK ASSY
1. Check if the outside temperature read of the clock assy is equal to the actual temperature.
1. NG : Go to step 3 .
2. OK : Go to next step.

CHECK HARNESS AND CONNECTOR (BRAKE ACTUATOR ASSY - CLOCK ASSY) (SEE ELECTRONIC CIRCUIT INSPECTION PROCEDURE )

Disconnect the brake actuator assy S1 connector.

Fig 1: Disconnecting Brake Actuator Assy
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance according to the value(s) in RESISTANCE SPECIFICATION .

Standard:

RESISTANCE SPECIFICATION

Tester connection	Specified condition
S1-7 (TSI) - C5-19 (TAMO)	Below 1 Ω
S1-7 (TSI) - Body ground	10 kΩ or higher

NG : REPAIR OR REPLACE HARNESS OR CONNECTOR
OK : PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE (SEE PROBLEM SYMPTOMS TABLE )

INSPECT COOLER (AMBIENT TEMP. SENSOR) THERMISTOR

Remove the cooler (ambient temp. sensor) thermistor and disconnect the A1 connector.

Fig 2: Disconnecting A1 Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance according to the value(s) in RESISTANCE SPECIFICATION .

Standard:

RESISTANCE SPECIFICATION

Tester connection	Condition	Specified condition
A1-1 - A1-2	10°C (50°F)	3.00 to 3.73 kΩ
A1-1 - A1-2	15°C (59°F)	2.45 to 2.88 kΩ
A1-1 - A1-2	20°C (68°F)	1.95 to 2.30 kΩ
A1-1 - A1-2	25°C (77°F)	1.60 to 1.80 kΩ
A1-1 - A1-2	30°C (86°F)	1.28 to 1.47 kΩ
A1-1 - A1-2	35°C (95°F)	1.00 to 1.22 kΩ
A1-1 - A1-2	40°C (104°F)	0.80 to 1.00 kΩ
A1-1 - A1-2	45°C (113°F)	0.65 to 0.85 kΩ
A1-1 - A1-2	50°C (122°F)	0.50 to 0.70 kΩ
A1-1 - A1-2	55°C (131ΩF)	0.44 to 0.60 kΩ
A1-1 - A1-2	60°C (140°F)	0.36 to 0.50 kΩ

HINT:

As the temperature increases, the resistance decreases (see Fig 3 ).

NOTE: Even slightly touching the sensor may change the resistance value. Be sure to hold the connector of the sensor.

Fig 3: Resistance To Temperature Graph

NG : REPLACE COOLER (AMBIENT TEMP. SENSOR) THERMISTOR
OK : Go to next step.

CHECK HARNESS AND CONNECTOR (CLOCK ASSY - COOLER (AMBIENT TEMP. SENSOR) THERMISTOR) (SEE ELECTRONIC CIRCUIT INSPECTION PROCEDURE )

Disconnect the clock assy C5 connector.

Fig 4: Disconnecting Clock Assy C5 Connector
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance according to the value(s) in RESISTANCE SPECIFICATION .

Standard:

RESISTANCE SPECIFICATION

Tester connection	Condition	Specified condition
C5-3 (TH+) - A1-2	Always	Below 1 Ω
C5-2 (TH-) - A1-1	Always	Below 1 Ω
C5-3 (TH+) - Body ground	Always	10 kΩ or higher
C5-2 (TH-) - Body ground	Always	10 kΩ or higher

NG : REPAIR OR REPLACE HARNESS OR CONNECTOR
OK : REPLACE CLOCK ASSY (SEE CLOCK ASSY )