Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DTC

Clear DTC (see DTC CHECK/CLEAR ).
Turn the power switch OFF.
Disconnect the cable from the negative battery terminal and wait for 1 minute.
Connect the cable to the negative battery terminal.
Turn the power switch ON (IG).

Check DTC.

Result

RESULT REFERENCE

Display (DTC Output)	Proceed to
No output	A
P060B	B
P060B and P0327, P0328, P032C, P032D, P0332, P0333, P033C, P033D	C

B: REPLACE ECM (See REMOVAL )

C: GO TO DTC (P0327, P0328, P032C, P032D, P0332, P0333, P033C and P033D) (See DTC P0327 KNOCK SENSOR 1 CIRCUIT LOW INPUT (BANK 1 OR SINGLE SENSOR); DTC P0328 KNOCK SENSOR 1 CIRCUIT HIGH INPUT (BANK 1 OR SINGLE SENSOR); DTC P032C KNOCK SENSOR 3 CIRCUIT LOW; DTC P032D KNOCK SENSOR 3 CIRCUIT HIGH; DTC P0332 KNOCK SENSOR 2 CIRCUIT LOW INPUT (BANK 2); DTC P0333 KNOCK SENSOR 2 CIRCUIT HIGH INPUT (BANK 2); DTC P033C KNOCK SENSOR 4 CIRCUIT LOW INPUT; DTC P033D KNOCK SENSOR 4 CIRCUIT HIGH INPUT )

A: CHECK FOR INTERMITTENT PROBLEMS (See CHECK FOR INTERMITTENT PROBLEMS )