Inspection Procedure

WARNING: This page is about a different car, the 2006 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HARNESS AND CONNECTOR (ECM - BATTERY)

Turn the ignition switch off.
Disconnect the ECM connector.
Turn the ignition switch to the ON position.

Measure the voltage according to the value(s) in ECM - BATTERY (3MZ-FE) and ECM - BATTERY (2AZ-FE) .

Standard voltage:

3MZ-FE

ECM - BATTERY (3MZ-FE)

Tester connection	Clutch Pedal condition	Specification
D (E5-10) - Body ground	Depressed	Below 1 V
D (E5-10) - Body ground	Released	10 to 14 V

2AZ-FE

ECM - BATTERY (2AZ-FE)

Tester connection	Clutch Pedal condition	Specification
D (E5-21) - Body ground	Depressed	Below 1 V
D (E5-21) - Body ground	Released	10 to 14 V

Fig 1: Checking Harness And Connector (ECM - Battery)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: Go to step 2

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

INSPECT CLUTCH SWITCH

Turn the ignition switch off.
Disconnect the clutch switch connector.

Measure the resistance according to the value(s) in CLUTCH SWITCH .

Standard resistance

CLUTCH SWITCH

Tester connection	Condition	Specification
1 - 2	Switch pin free (Clutch pedal depressed)	10 kΩ or higher
1 - 2	Switch pin pushed in (Clutch pedal released)	Below 1 Ω

Fig 2: Inspecting Clutch Switch

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NG: REPLACE CLUTCH SWITCH

OK: GO TO NEXT STEP

CHECK HARNESS AND CONNECTOR (CLUTCH SWITCH - ECM)

Measure the resistance according to the value(s) in CLUTCH SWITCH - ECM (3MZ-FE) and CLUTCH SWITCH - ECM (2AZ-FE) .

Standard resistance:

3MZ-FE

CLUTCH SWITCH - ECM (3MZ-FE)

Tester connection	Condition	Specification
C12-2 - D (E5-10)	Always	Below 1 Ω
C12-2 - Body ground	Always	10 kΩ or higher

2AZ-FE

CLUTCH SWITCH - ECM (2AZ-FE)

Tester connection	Condition	Specification
C12-2 - D (E5-21)	Always	Below 1 Ω
C12-2 - Body ground	Always	10 kΩ or higher

Fig 3: Checking Harness And Connector (Clutch Switch - ECM)

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (CLUTCH SWITCH - ECM)

OK: CHECK AND REPAIR HARNESS OR CONNECTOR (CLUTCH SWITCH - BATTERY)