Inspection Procedure
HINT:
Using Techstream's Data List allows switch, sensor, actuator and other item values to be read without removing any parts. Reading the Data List early in troubleshooting is one way to save time.
- Warm up the engine.
- Turn the ignition switch OFF.
- Connect Techstream to the DLC3.
- Turn the ignition switch ON and turn the tester ON.
- Enter the following menus: Powertrain / Engine and ECT / Data List.
- Follow the instructions on the tester and read the Data List.DATA LIST
Tester Display Measurement Item/Range Normal Condition Diagnostic Note Neutral Position SW Signal PNP switch status/ ON or OFF Shift lever is:
On P or N: ON
Not on P or N: OFFWhen shift lever position displayed on Techstream differs from actual position, adjustment of PNP switch or shift cable may be incorrect Shift SW Status (R Range) PNP switch status/ ON or OFF Shift lever is:
On R: ON
Not on R: OFFWhen shift lever position displayed on Techstream differs from actual position, adjustment of PNP switch or shift cable may be incorrect Shift SW Status (P Range) PNP switch status/ ON or OFF Shift lever is:
On P: ON
Not on P: OFFWhen shift lever position displayed on Techstream differs from actual position, adjustment of PNP switch or shift cable may be incorrect Shift SW Status (N Range) PNP switch status/ ON or OFF Shift lever is:
On N: ON
Not on N: OFFWhen shift lever position displayed on Techstream differs from actual position, adjustment of PNP switch or shift cable may be incorrect Shift SW Status (D Range) PNP switch status/ ON or OFF Shift lever is:
On D: ON
Not on D: OFFWhen shift lever position displayed on Techstream differs from actual position, adjustment of PNP switch or shift cable may be incorrect Shift SW Status (3 Range) PNP switch status/ ON or OFF Shift lever is:
On 3: ON
Not on 3: OFFWhen shift lever position displayed on Techstream differs from actual position, adjustment of PNP switch or shift cable may be incorrect Shift SW Status (2 Range) PNP switch status/ ON or OFF Shift lever is:
On 2: ON
Not on 2: OFFWhen shift lever position displayed on Techstream differs from actual position, adjustment of PNP switch or shift cable may be incorrect Shift SW Status (L Range) PNP switch status/ ON or OFF Shift lever is:
On L: ON
Not on L: OFFWhen shift lever position displayed on Techstream differs from actual position, adjustment of PNP switch or shift cable may be incorrect
- CHECK WIRE HARNESS (PARK/NEUTRAL POSITION SWITCH - BATTERY)
- Disconnect the B26 park/neutral position switch connector.
- Turn the ignition switch ON.
- Measure the voltage.
Standard voltage
TERMINALS VOLTAGE REFERENCETester Connection Specified Condition 2 (RB) - Body ground 10 to 14 V
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: CHECK POWER SOURCE OF ECM
OK: go to next step
- INSPECT PARK/NEUTRAL POSITION SWITCH
- Disconnect the B26 park/neutral position switch connector.
- Measure the resistance of the park/neutral position switch when the shift lever is moved to each position.
Standard resistance
TERMINALS RESISTANCE REFERENCETester Connection Shift Lever Position Specified Condition 6 (PL) - 2 (RB) P Below 1 Ω 6 (PL) - 2 (RB) Not on P 10 kΩ or higher 1 (RL) - 2 (RB) R Below 1 Ω 1 (RL) - 2 (RB) Not on R 10 kΩ or higher 9 (NL) - 2 (RB) N Below 1 Ω 9 (NL) - 2 (RB) Not on N 10 kΩ or higher 7 (DL) - 2 (RB) D Below 1 Ω 7 (DL) - 2 (RB) Not on D 10 kΩ or higher 3 (2L) - 2 (RB) 2 Below 1 Ω 3 (2L) - 2 (RB) Not on 2 10 kΩ or higher 8 (LL) - 2 (RB) L Below 1 Ω 8 (LL) - 2 (RB) Not on L 10 kΩ or higher
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPLACE PARK/NEUTRAL POSITION SWITCH
OK: go to next step
- CHECK WIRE HARNESS (ECM - BATTERY AND BODY GROUND)
- Disconnect the B30 ECM connector.
- Turn the ignition switch ON.
- Measure the voltage of the wire harness side connector.
Standard voltage
TERMINALS VOLTAGE REFERENCETester Connection Shift Lever Position Specified Condition B30-73 (P) - Body ground P 10 to 14 V B30-73 (P) - Body ground Not on P Below 1 V B30-53 (R) - Body ground R 10 to 14 V* B30-53 (R) - Body ground Not on R Below 1 V B30-54 (N) - Body ground N 10 to 14 V B30-54 (N) - Body ground Not on N Below 1 V B30-56 (D) - Body ground D or 3 10 to 14 V B30-56 (D) - Body ground Not on D or 3 Below 1 V B30-55 (2) - Body ground 2 10 to 14 V B30-55 (2) - Body ground Not on 2 Below 1 V B30-74 (L) - Body ground L 10 to 14 V B30-74 (L) - Body ground Not on L Below 1 V HINT:
*: The voltage will drop slightly due to the illumination of the back-up light.
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
OK: go to next step
- CHECK WIRE HARNESS (PARK/NEUTRAL POSITION SWITCH - SHIFT LOCK CONTROL UNIT ASSEMBLY)
- Disconnect the E40 switch connector.
- Turn the ignition switch ON.
- Measure the voltage when the shift lever is moved to each position.
Standard voltage
TERMINALS VOLTAGE REFERENCETester Connection Shift Lever Position Specified Condition 1 (NSSD) - Body ground D and 3 10 to 14 V 1 (NSSD) - Body ground Not on D and 3 Below 1 V
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
OK: go to next step
- INSPECT SHIFT LOCK CONTROL UNIT ASSEMBLY
- Disconnect the E40 switch connector.
- Measure the resistance of the switch when the shift lever is moved to each position.
Standard resistance
TERMINALS RESISTANCE REFERENCETester Connection Shift Lever Position Specified Condition 1 (NSSD) - 2 (AT3) D 10 kΩ or higher 1 (NSSD) - 2 (AT3) 3 Below 1 Ω
NG: REPLACE SHIFT LOCK CONTROL UNIT ASSEMBLY
OK: go to next step
- CHECK WIRE HARNESS (SHIFT LOCK CONTROL UNIT ASSEMBLY - BATTERY AND BODY GROUND)
- Disconnect the A9 ECM connector.
- Turn the ignition switch ON.
- Measure the voltage of the wire harness side connector.
Standard voltage
TERMINALS VOLTAGE REFERENCETester Connection Shift Lever Position Specified Condition A9-26 (3) - Body ground 3 10 to 14 V A9-26 (3) - Body ground Not on 3 Below 1 V HINT:
*: The voltage will drop slightly due to the illumination of the back-up light.
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
OK: REPLACE ECM